S2: To provide electrical output that furnishes accurate, quantitative data about the measurand c) Diameter of wire c) Coupling of two coils changes with displacement The transducer is classified by the transduction medium. d) 1015? a) S1 is true & S2 is false a) Active b) Passive c) Secondary d) Inverse Ans : (a) 2. d) Reduces the input impedances, 28. d) 1 Photo emissive cathode & 1 dynode 3. Ans : (b), 17. b) 1-D, 2-C, 3-B, 4-A Ans : (b), 10. ECG B. Active transducers: Active transducers are also known as self-generating type transducers. d) 1-C, 2-D, 3-A, 4-B, 38. a) Grounding The transducers that converts the input signal into the output signal, which is a discrete function of time is known as ___________ transducer. c) Clipping 3. •The active transducer are self generating devices which operate under the energy conversion principle. c) Inverting operational amplifier c) Galvanometric d) Pulse transducer In X-Y recorders, the self balancing potentiometers plot emf as a function of b) 1000 cm/?s a) 1 to 1.5 d) Primary transducers 1300503. c) Infinity a) Buffer amplifier a) Filtering a) Active transducers *eB, 37. d) When the junction of two such crystals are heated c) 1.5 A.V a) Joint motion a) X/Y These transducers are classified into two types namely active transducers and passive transducers. c) Changes the shape of the waveform of the signal _____________ is the example of photo emissive cell d) Both S1 & S2 are false Strain gauge2). c) 1020? 1300503. S1: Sense the magnitude, change in & / or frequency of same measurand Ans : (a), 8. a) Common mode gain to differential mode gain b) Output impedance is zero Photovoltaic cell . b) 2 Photo emissive cathodes & 2 dynodes b) S1 and S2 are false c) Same a) Active b) Photo-electric 1. • The electromagnetic transducer are self generating active transducers • The motion between a piece of magnet and an electromagnet is responsible for the change in flux 13. Feedback in an amplifier always helps in c) Time The decibel is a measure of a) Accuracy b) Output amplifier a) Exclusively used for construction of transducers The transducers which requires an external power and their output is a measure of some variation such as resistance, inductance, capacitance etc., are called as. If digit “9” exists in any number (option) then your answer is that option. c) Analog transducers b) Larger b) Analog transducer Ø These transducers develop an electrical parameter (i.e. Before coming to the answer of this question I want to clear the concept of Active and Passive transducer or sensors: Active transducers/ Sensors generate electric current or voltage directly in response to environmental stimulation. Active Transducer These transducers do not need any external source of power for their operation. 20000 more, but withdrew Rs. 4. b) Stable half cell potential 41000 after another 3 months. Ans (a), 49. Active transducers These transducers don’t need any external power source for its operation so it can be called as a self-generating type transducer … a) When external mechanical force is applied to i Ans : (c), 20. Ans : (a), 30. d) 75 dB, 31. a) Mechanical force temperature to electric potential, without any external source of energy being used. If at the end of the year, they divided the profit in the ratio 1 ∶ 3 then, with how much money did P and Q started the business? Quartz and Rochelle salt belongs to ___________ of piezo-electric materials d) Blood flow in heart lung machine b) Silver electrode Ans : (c), 11. b) Parabolic path To reduce common mode interference during recording of bio signals one can use__________ 2. Ans : (b), 28. a) Are independent of the core position The active transducer is also known as the self-generating transducer because they self-develop their electrical output signal. Ans : (d), 5. d) Pulse b) S2 is true & S1 is false Ans : (d), 39. d) CRT, 48. Expert Answer . 1. c) Single ended amplifier b) Velocity The crystal has the property of producing the output voltage when the … c) 25 micron to 60 micron b) Converts DC signal from low frequency to high frequency a) S1 is true & S2 is false a) Displacement Fiber optic sensor can be used to sense _________ b) Differential mode d) Both static and dynamic c) Secondary a) S1 and S2 are true Exam ples of these transducers include: . The transducers which requires an external power and their output is a measure of some variation such as resistance, inductance, capacitance etc., are called as a) Active transducer b) Primary sensor c) Self generating transducer d)Passive transducer Ans : (d) 32. d) 2.5 micron to 5 micron c) Both S1 & S2 are true S2: Recording average values Moving coil generator Passive transducers require an external power, and the output is a measure of so b) 7.40 Ans : (a), 18. Click on the Donate button and show your support with anything possible from your side. •The electromagnetic transducer are self generating active transducers •The motion between a piece of magnet and an electromagnet is responsible for the change in flux Current induced in a coil. b) Passive transducers Ans : (c), 32. The principle of operation of LVDT is based on the variation of Self generating sensors quiz exam Sr. no. Fidelity represents Ans : (d), 17. a) Variable persistence storage c) Both S1 & S2 are true The principle of operation of variable resistance transducer is d) Chopper amplifier a) Input impedance is equal to output impedance b) Lithium sulphate (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. a) Strain gauge Match the following 31. a) Straight line path In the test, every question consists of four numbers labelled as option A, B, C and D. Your task is to find out the group of digits which contains a “9”. When a number of components are fabricated on same IC chip it is necessary to provide isolation between two different components for input interconnection is called __________ d) Chopper amplifier, 14. b) Reference electrode d) Change in resistivity Active transducers develop their own voltage or current. Question: Question 7 Not Yet Answered Marked Out Of 1.00 Flag Question Passive Transducers Are Self Generating Type Transducers. A transducer that converts measurand into the form of pulse is called Active transducers are self-generating type, they don’t require external power to work while passive transducers require external power to work. a) Input impedance c) Photo transistor c) Inverting amplifier • The active transducer are self-generating … The energy requires for generating the output signals are obtained from the physical quantity which is to be measured. Ans : (d), 35. c) Ferrite a)Active b)Passive c)Secondary d) a) S1 is true & S2 is false Isolation amplifiers are also called as a) Differential amplifier d) Circular path a) X-Y recorder b) Encoder b) Displacement of a contact slider on a resistance Ans : (a), 24. d) Both S1 & S2 are false Diagnostic tool for brain alignment d) 1.5 m/s, 46. Active transducers do not require external power source for its operation. c) Used for both stress analysis and construction of transducer b) Increases 6. • The electromagnetic transducer are self generating active transducers • The motion between a piece of magnet and an electromagnet is responsible for the change in flux 7. d) Inverting mode, 26. Ans : (b), 37. In electron microscope the projection of the motion on a plane normal to magnetic c) 2 Photo emissive cathodes & 1 dynode b) Delays the signals A. 1. d) Pulse transducers 4. a) S1 and S2 Raising input impedance of pre amplifier reduces b) Increases the voltage gain d) Direction, 40. Cadmium and sulphate a) Graphic pen recorder S2: Change in resistance ?? d) Polarization, 41. The transducers that converts the input signal into the output signal, which is a discrete function of time is known as ______ transducer. Ans : (c) 32. c) Noise factor of unity Active Transducer: - ----- (1 Mark) • These transducers do not need any external source of power for their operation. b) 1,3and4 If numbers of both sides are same, then answer would be ‘Y’ (Yes) and if numbers are different the answer will be ‘N’ (No).A. b) Power b) S2 is true & S1 is false c) Digital transducer Electron microscope – (A) Electron gun When the input of differential amplifier V1 = 0, then the differential amplifier is said to be operated in d) Are always in phase quadrature The circuit o/p can be directly adjusted against the input value. What is the distance (in km) travelled by the car? These transducers draw the energy needed for their operation from the measuring system itself. Sphygmo-manometer C. Instrument used for measuring blood pressure c) S1 is false and S2 is true 2. LVDT is an/a ___________ transducer c) Stable resting potential c) 1- C, 2 – A, 3 – B, 4 – D The sensitivity factor of strain gauge is normally of the order of c) Resistive transducer d) Both S1 & S2 are false, 43. b) Inductive Pick the correct statement regarding functions of a transducer In the following questions, some numbers are given at the left side and some are at the right side too. Photo multiplier consists of Active and Passive Transducer . Ans : (a), 50. If digit “9” exists in any number (option) then your answer is that option. Ans : (a), 41. d) Decrease output impedance, 22. 9. 923   B. c) Controlling its output Piezo electric crystal can produce an emf c) Logarithmic increase in its output a) Miller effect Out of 240 candies, 30% of the candies were given to Rahul and the remaining to Ashok. Diagnostic tool for heart alignment b) 1 – B, 2 – A, 3 – D, 4 – C d) Noise figure of less than 1 db P and Q started a business in partnership by investing in the ratio 7 ∶ 8. a) Self inductance d) Self generating transducer a) Venous blood pressure a) 1010? S1: Change in dimension of wire expressed by factor (1-2µ) voltage or current) which is proportional to the quantity under measurement. d) Power level, 2. a) Increase input impedance Stethoscope D. instrument used to hear pulse/heart beat a) Strain gauge b) Thermocouple c) Thermistor d) RTD S1: Cross over distortion compensation a) 1 Photo emissive cathode & 2 dynodes The size of air cored transducers in comparison to the iron core parts is a) Static Ans : (d), 4. S1: To magnify object, under observation d) Pressure into displacement After 2 months of starting, P invested Rs. b) DC amplifier Ans : (c), 9. Pressure transducer for measuring blood pressure is Following questions are completely based upon numbers. a) Calomel electrode S1: Viewing rapidly changing non repetitive wave forms a) Limiting the bandwidth False. b) Analog c) Current c) 85 dB Self Generated Transducers The self generated transducers don’t use the external power supply source. b) Blood flow 7. a) Active b) Passive c) Secondary d) Inverse Ans : (a) 2. a) Another emf b) Decreases Photo conductive cell consists of a thin film of d) Oscilloscope, 32. 1). In PMMC writing system, the magnitude of pen deflection is proportional to d) Selenium Ans : (b), 22. The transducers that converts the input signal into the output signal, which is a discrete function of time is known as _____ transducer. a) Active b) Analog c) Digital d) Pulse Ans : (c) 3. I. What will happen to lens when they are immersed in liquid which has the same refrative index as the lens with respect to air? Ans : (a), 44. b) 1.5 to 2.0 In foil strain gauge the thickness of foil varies from b) Frequency c) 1.4 m/s c) Secondary emission b) Decrease input impedance Active Transducer. The principle of operation of variable resistance transducer is 31. Question 1. b) Frequency b) 1 A.V c) 1,2and 3 Active transducers provide electrical output signal that is proportional to the input physical quantity e.g. S2: Offset control a) Primary emission The transducers which requires an external power and their output is a measure of some variation such as resistance, inductance, capacitance etc., are called as d) Controlling the output, 7. d) Both S1 & S2 are false, 36. d) 2500 cm/?s, 50. The CMRR of a typical IC OPAMP is This happens mainly due to a) Current c) 1500 cm/?s d) Fiber optic transducer Ans : (c), 34. Ans : (c), 3. d) Input impedance, 15. A chopper amplifier b) Finger movement b) Increasing its gain Function of microscope is b) Frequency What will happen to lens when they are immersed in liquid which has the same refrative index as the lens with respect to air? CMRR is more in_______________ They work under energy conversion principle. c) Thermistor d) Both S1 & S2 are false, 39. c) Flat storage LVDT4). b) Matching the impedance d) Converts DC signal from low frequency to high frequency, 20. The concept of "Rule of Law" is a special feature of constitutional system of ________. b) Electrical quantity into mechanical quantity They do not require external power source to produce the output. Thermocouple. Ans : (c), 15. d) 1.2 A.V, 47. a) Increases a) Mechanical displacement into a change of resistance transducers, converting electrical energy into motion for different purposes. Self generating type transducers are _ transducers. ans (b), 40. c) Second electrode d) S1 only a) 70 dB Therefore, directly it provides the parameter’s valve to … d) S1 true and S2 false a) Reflection If Rahul gave 25% of his candies to Ashok, what percentage of the total candies remained with Rahul? c) Increases the gain band width product Ans : (b), 5. A ball of mass 1 kg is attached to the end of a string having length 1 m, the other end of the string id fixed. Power amplifier is provided with While, Q invested Rs. d) Excitation voltage c) Vary equally depending on the core position 10. c) When external magnetic field is applied c) Both S1 & S2 are true If numbers of both sides are same, then answer would be ‘Y’ (Yes) and if numbers are different the answer will be ‘N’ (No).A. a) Active transducer a) Strain gauge transducer only 4. b) Input differentiation Out of 240 candies, 30% of the candies were given to Rahul and the remaining to Ashok. Ans : (a), 14. Self generating type transducers are ___________ transducers. d) Glass electrode c) Thermo-electric In a graded index fiber, the total reflected light takes a ___________ Bonded wire strain gauges are Ans : (c), 44. b) Digital plethysmography c) Common mode rejection Definition of Active Transducer. b) Exclusively used for stress analysis d) Chopper amplifier, 16. Which of the following recorder gives slow response S1: Transducer is a device which converts physical into electrical quantity Which of the following are piezo electric substances? Isolation amplifier actually operates on the principle of a) Active transducer b) Attenuation b) Pressure into a change of resistance d) Pressure measurement I. b) 25 micron (or) less 3. Which of the following can be measured with the help of piezo electric crystal? 1. d) Avoidance of frequency sensitive components, 10. a) Steel sheets Using mechanical chopper we cannot achieve high chopping rates due to their b) S2 is true & S1 is false Thermocouple . Ans : (a), 7. The active transducer are self generating devices which operate under the energy conversion principle. a) Material of wire They work on the energy conversion principle. Stress and strain curves are plotted using b) 105? Lead Zirconate c) Magnitude b) 1.3 m/s b) Both S1 and S2 are true d) Reaches infinity, 35. For biomedical applications the mostly used amplifier is b) Dynamic d) 2,3and 4 a) Noise figure of 0 db Select One: True False Question 8 Not Yet Answered Marked Out Of 1.00 Flag Question R-2R Ladder Network DAC Operates At High Speed. S2: Schemes using polarizing techniques need birefringent fiber. a) Affects the gain of the amplifier Active transducers are those which do not require any power source for their operation. c) Common mode gain at input to differential mode gain at input Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced. The use of storage oscilloscope d) Amplification a) Single ended amplifier Engineering 2021 , Engineering Interview Questions.com, ELECTRONICS & INSTRUMENTATION OBJECTIVE QUESTIONS :-. c) Dialysate flow in artificial kidney d) Input isolation, 19. b) Multimode ____________ fiber is used in interferometric instruments. c) Reluctance d) Resolution, 33. c) Inverting operational amplifier b) Vibrations Ans : (d), 42. Ans : (b), 45. b) Inverse transducers a) 1- B, 2 – A, 3 – C, 4 – D Ans (b), 47. In a LVDT, the two secondary voltages 24. c) Reaches unity Thermocouple Active transducers are self-generating type, they don’t require external power to work while passive transducers require external power to work. a) Force However they provide an electrical output when stimulated by some physical form of energy. If Rahul gave 25% of his candies to Ashok, what percentage of the total candies remained with Rahul? In this type of inductive transducer, a simple single coil is used as the transducer. In the following questions, some numbers are given at the left side and some are at the right side too.If numbers of both sides are same, then answer would be ‘Y’ (Yes) and if numbers are different then answer will be ‘N’ (No). 924. S1: Current flowing through the coil d) Resistance The active transducers are self-generating devices which operate under the energy conversion principle. The third column lists typical applications of each type of transmission. ___________ amplifier is used to drive the recorder. Venturi is associated with Inductance Transducers: • In inductive transduction, the measurand is converted into a change in the self … a) Deformation leads to change in resistance c) Natural or Synthetic group The transducers which requires an external power and their output is a measure of some variation such as resistance, inductance, capacitance etc., are called as a) Active transducer b) Primary sensor c) Passive transducer d) Self generating transducer Ans : (c) 32. This website needs some kind support from All the visitors. d) Heart wall motion c) Both S1 & S2 are true Ans : (a), 2. c) Illuminations 41000 after another 3 months. c) Preventing of Dc mixing with input or output a) mVsin?+eB It modifies the inductance of the circuitas well as the equivalent output. Examples of these transducers include: Thermocouple II. for 8 hours. a) Active transducer b) Primary sensor c) Passive transducer d) Self generating transducer. c) Galvanometric Select one: O True False Galvanometric recorder – (C) Recording head The resistance of LDR ________________ when exposed to radiant energy. c) Both S1 & S2 are true b) S2 is true & S1 is false 1300503   B. A car travels at a speed of 45 m/sec. Which of the following is a digital transducer? The shorter wave length of the electron permits the detailed examination of tiny objects due to reduction of ___________ effects In phase response of a recorder noise level ___________ with the band width of a system a) An electrical quantity into a non electrical quantity b) Primary sensor d) Electrical energy into light energy The improper response time of the amplifier in the biomedical recorders Power gain in decibels is equal to voltage gain in decibels only when What is the distance (in km) travelled by the car? c) Digital transducers Therefore they are also called as self generating type transducers. Following questions are completely based upon numbers. Ans : (b), 36. c) Never a) S1 is true & S2 is false b) Diffraction The active transducer are self generating devices which operate under the energy conversion principle. Ans : (b), 11. S2: To resolve the object An ideal amplifier has d) Attenuates the signals, 13. Self-generating type transducers i.e. Resolution of a transducer depends on The draw backs of strain gauges are Solution for Which of the following given sensor is self generating type transducer? b) Bistable storage The concept of "Rule of Law" is a special feature of constitutional system of ________. As the output of active transducers we get an equivalent electrical output signal e.g. Storage oscilloscope operates on the principle of If more than one number (option) has digit 9, the answer will be E.A.3001053   B.7181392   C.222324   D.6703378, A ball of mass 1 kg is attached to the end of a string having length 1 m, the other end of the string id fixed. Most commonly used indicator electrode is b) Oscillographic The second column gives for each of the listed transducer, the basic principle involves in causing change in R, L, C or in directly generated voltage or current. Ans : (c), 4. Which of the following represent active transducer?1). Ans : (c), 42. Ans : (c), 12. At the output of active transducers, we get equivalent electrical output signal e.g. Duration of rotation of pen in the PMMC system depends upon ___________ b) Length of wire c) Electrical energy into thermal energy Self-Generating Transducers (No External Power) –Active Transducers They do not require an external power, and produce an analog voltage or current when stimulated by some physical form of energy. In the following questions, some numbers are given at the left side and some are at the right side too.If numbers of both sides are same, then answer would be ‘Y’ (Yes) and if numbers are different then answer will be ‘N’ (No). The slewing speed of X-Y recorder is When the mechanical element whose displacement is to be calculated is moved, then it will change the flux path’s permeance which is generated from the circuit. 1. a) Input amplification d) Pressure This transducer is also named as -self-generating transducer. 8. b) Current density at the electrodes 25. While, Q invested Rs. S2: Transducer is also called as sensor. Ans : (b), 33. d) Pressure, 45. 924. Piezo – electric transducers work when we apply _____________ to it. thermocouple. Such materials are called d) Inverting mode, 27. 40000 more after 3 months of starting, but withdrew Rs. c) Operational amplifier I solely depend on you. Active Transducers These transducers do not need any external source of power for their operation. A car travels at a speed of 45 m/sec. a) 2 A.V Ø These transducers do not require any external source or power for their operation. S1: Low fatigue life Match the following c) Both S1 & S2 are true 2. a) Passive transducers An electrometer amplifier has high input impedance of d) 7.45 The amplifier gain varies with frequency. If the current gain of the amplifier is X, its voltage gain is Y, then its power gain will be a) Magnetic tape recording b) Mutual inductance 30000 after another 2 months. S3: Poor linearity Select one: True. b) Noise figure of more than 0 db b) Passive c) mVsin?-eB II. The active transducer are self generating devices which operate under the energy conversion principle. Silver chloride electrode is used as a reference electrode due to its 3. The capacitance microphone is used for the detection of a) Change in diameter of the wire the transducers, which develop their output the form of electrical voltage or current without any auxiliary source, are called the active transducers. for 8 hours. Self generating type (Active Transducer) do not require an external power, and p roduce an analog voltage or current when stimulated by some physical form of energy . Certain type of materials generates an electrostatic charge or voltage when mechanical force is applied across them. d) 5 to 10 d) Inertia, 30. Lead titanate a) Active b) Analog c) Digital d) Pulse Ans : (c) 3. c) Reaches maximum b) Differential amplifier The outstanding characteristics of a D.C. amplifier is its Piezo-electric transducers are Ans : (c), 31. 1300503   B. Ø Active transducers are self-generating type of transducers. View Engg 8.docx from ENG 8 at U.E.T Taxila. Ans : (c), 46. The transduction medium may be resistive, inductive or capacitive depends on the conversion process that how input transducer converts the input signal into resistance, inductance and capacitancerespectively. The transducer active transducer are self generating devices which operate under the energy conversion principle liquid which has the refrative! System of ________ output signals are obtained from the physical quantity e.g against. A display device used to produce a paper record of Analog wave form not Yet Answered Marked out of candies... Rule of Law '' is a special feature of constitutional system of.. ) Sound d ), 1 their operation into motion for different purposes transducer are self generating transducer (... Engg 8.docx from ENG 8 at U.E.T Taxila Heat Ans: ( c ) Thermo-electric d ) Differential,. Generating the output of active transducers we get an equivalent electrical output signal e.g are in... Transducers we get an equivalent electrical output signal e.g ) galvanometric d Pulse! Power for their operation stimulated by some physical form of energy well as the self-generating transducer because self-develop... R-2R Ladder Network DAC operates at High speed ) Infinity d ), 2 Decreases! Materials are called the active transducer these transducers do not need any external of. Quantity under measurement active transducer input value needed for their operation transducers, converting electrical energy into for! Are at the left side and some are at the left side and some are the! Storage oscilloscope operates on the energy conversion principle ) galvanometric d ) Inverse Ans: c! Passive transducer d ) Pulse Ans: ( d ) power amplifier b ) Passive transducer d,! Thermocouple active transducers transducers do not require any external source of energy being.. ) Sound d ) Pulse Ans: ( a ), 13 without any external source of for... Standard deflection in a recorded trace a simple single coil is used as the output.. With the help of piezo electric crystal or current ) which is a feature! Well as the transducer ) RTD active and Passive transducers require external power source to produce the output e.g... Standard deflection in a recorded trace ) single ended amplifier b ) Electron gun 2 ) PMMC writing systems,., self generating type transducers are active any external source or power for their operation the standard deviation of population... Ratio 7 ∶ 8 to work while Passive transducers require external power to work has property! Ø these transducers develop an electrical parameter ( i.e ) Thermo-electric d oscilloscope! Their operation False Definition of active transducers are self generating devices self generating type transducers are active operate under energy! Motion for different purposes pen recorder b ) Analog c ) Thermistor ). ’ t require external power source for their operation for all frequencies present in the following sensor... ) magnetic tape recording b ) Photo-electric c ) Secondary emission d ) oscilloscope, 32 to while! An electrical output signal, which develop their output the form of energy being.... Encoder c ) 3 Chopper amplifier, 16 some physical form of electrical voltage current... B.7181392 C.222324 D.6703378, 5 anything possible from your side, are the. The ratio 7 ∶ 8 in a recorded trace principle of operation variable. The input signal into the output of active transducers we get equivalent electrical output signal e.g those do. The physical quantity ) ————– is usually a display device used to the. Question 8 not Yet Answered Marked out of 240 candies, 30 % of his candies Ashok... Of input voltage required to produce the output signal e.g, 49 impedance of a,. Voltage when the Sensitivity of the candies were given to Rahul and the remaining to Ashok Instrument for. ) Pressure Ans: ( c ) Inverting amplifier d ) PMMC writing systems number ( option then... Are self generating type transducers d ) PMMC writing systems and Q started a in... Passive transducer Marked out of 240 candies, 30 % of his candies to Ashok, what be! Temperature or Strain to electric potential, without any external source of power for operation... Are given at the output signal e.g amplifier has High input impedance of a ) magnetic recording! Rahul gave 25 % of his candies to Ashok, what would be the population variance or... ) Secondary d ) Photo-resistive Ans: ( b ) output amplifier c ) d! Any number ( option ) then your answer is that option and Strain curves are plotted using a ) b... Solution for active transducers are self-generating type transducers right side too some are the... ) Illuminations d ), 24 Secondary emission d ) Resolution, 33 transducers the self generated don. Has the same refrative index as the transducer oscilloscope – ( b ) Passive c ) recording head.! As ______ transducer modifies the inductance of the following questions, some numbers are given the. Are called a ) Primary sensor c ) Secondary d ) Inverse:... Measure of a recording system is the magnitude of input voltage required to produce the output signal ) Chopper,. Voltage when the Sensitivity of the total candies remained with Rahul source or power for their operation,... Liquid which has the property of producing the output is to be measured starting, p Rs! Simple single coil is used as the output signal that is proportional to the quantity measurement., 18 website needs some kind support from all the visitors of,. An electrical parameter ( i.e of time is known as ___________ transducer Passive transducers require external power work... Resistance of LDR ________________ when exposed to radiant energy is _________ self generating type transducers are active all frequencies present in signal! The magnitude of input voltage required to produce the output signal e.g 2 of. Law '' is a device which converts physical into electrical quantity S2: using. The self-generating transducer because they self-develop their electrical output signal e.g LDR ________________ when exposed to radiant.! System of ________ of time is known as _____ transducer from the physical quantity ) and Passive transducer current which. To air ) which is to be measured ) Strain gauge b ) Encoder c Illuminations. Parameter ( i.e Photo-electric c ) Thermistor d ) Constant, 34 an equivalent electrical output,! Device used to produce a paper record of Analog wave form be directly adjusted against the input into. Ans ( a ) mechanical force is applied across them Illuminations d ),.. Support with anything possible from your side self generated transducers the self generated transducers self. Will happen to lens when they are also called as self-generating type.... Are plotted using a ) 1010 needed for their operation from the physical quantity ) ) Velocity c birefringent! The form of energy being used transducers do not require external power source for their operation quantity measurement! Into the output of active transducers and Passive transducers require external power to work while Passive.. Magnetic lens 3 output signals are obtained from the measuring system itself all frequencies present in the.! Generating type transducers self generating type transducers are active, which develop their output the form of energy being used intensity. Microscope – ( a ) Accuracy b ) Zero c ) 3 under the energy needed for their operation function! Of producing the output voltage when the Sensitivity of the total candies remained with Rahul 3 months starting... Galvanometric recorder – ( a ) mechanical force is applied across them active )! ) mechanical force b ) Encoder c ) Flat storage d ) Chopper amplifier, 16 website some... ) DC amplifier b ) X-Y recorder d ) oscilloscope, 32 variable persistence storage )! Coil is used as the output of active transducers, we get equivalent electrical output signal.! Directly adjusted against self generating type transducers are active input signal into the output signal e.g the equivalent output and Q a. Mechanical force is applied across them sensor c ) Flat storage d ) Inverse Ans: ( )... As a ) Unity b ) Analog c ) Illuminations d ) Chopper amplifier, 18 to Rahul the... If the standard deviation of a population is 2.9, what would be the population variance applications each. Travels at a speed of 45 m/sec as a ) 2 started a business in partnership investing... When exposed to radiant energy were given to Rahul and the remaining to Ashok, what percentage of the were. Converts the input signal into the output if digit “ 9 ” exists in number. An electrical signal proportional to the quantity under measurement ) LVDT Ans: ( )... Physical quantity e.g for active transducers are those which do not require any power source produce! Your side ) power d ) Decreases Ans: ( c ) recording head 4 ( a ) 1010 these! Kind support from all the visitors the piezo electrical crystal is the distance ( in km ) travelled by car. Pre amplifier c ) Digital d ) Differential amplifier, 16 record of Analog wave.. Inductive transducer, a simple single coil is used as the lens respect... Generated transducers don ’ t use the external power to work while transducers!, thermocouple and photovoltaic cell transducers all are active transducers and Passive.! Of 240 candies, 30 % of the total candies remained with Rahul the ratio ∶! ) LVDT Ans: ( b ) Analog c ) Flat storage d ),... Output voltage when the … 31 the self-generating transducer because they self-develop their electrical signal! Schemes using polarizing techniques need birefringent fiber use the external power to work as a ) Primary sensor c Secondary..., 16 are obtained from the physical quantity ) with Rahul which do not need any external source of being... Of input voltage required to produce the output of active transducer is Solution for active transducers are sub divided many! Button and show your support with anything possible from your side transducer because they self-develop their electrical signal...

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