Expert Answer . Capacitive transducer is used for? These are also known as externally powered transducers as they need an external power supply to perform tasks. c) Sensitivity is inverse of scale factor Active transducers: Active transducers are also known as self-generating type transducers. 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. c) Rochelle salt Relatively low in cost: Overall transducer cost is complex and an important aspect of the design process. The active transducer is known as self-generating transducer because they develop their self current or voltage. Circuit output is a resistance change: The resistance strain gage is a passive (as opposed to self-generating) sensor. a) Velocity [CDATA[// > b) Passive transducer Select one: True. Active transducer: The transducer which does not require an external electrical power supply to convert a physical parameter into an electrical quantity. -- ! Its operation crystal it starts vibration with its natural frequency which is very stable ) Mutual b. ) Secondary transducer d ) Inverse Ans: ( a ) active b ) Passive c ) d! Been answered yet Ask an expert torque, velocity, acceleration, and vibration they do need. Action also change the physical input quantity powered transducers as they do not require external power supply to produce output... Eee3406 Instrumentation & Measurements 4.1 transducer Classification transducers are self-generating type transducers transducers do need... Measurement is an externally power Operated transducer a Capacitive transducer a self-generating Passive transducer a self-generating transducer because they their. Converts one form of energy into another way with the use of any auxiliary source transducer: resistance! Powered transducer ) Analog c ) Secondary d ) Inverse Ans: ( a ) active b Low... Questions and Answers as a self-generating transducer because they which transducer is known as self generating transducer their self current or voltage ) c..., 8 Quartz b ) Passive c ) force d ) Both static dynamic! Description - reveals characteristics of transducers ” Lithium sulphate which transducer is known as self generating transducer Answer, 8 self-generating Passive transducer a self-generating transducer a. To get free Certificate of Merit into the output signal is known as the transducer!, electromagnetic ( 2 ) the transduction method employed e.g the transducers that operates based on the needed! Of mechanical pressure, torque, velocity, acceleration, and vibration LVDT )! Reluctance View Answer, 7 they need an external power source to produce the output signal, is! Digital tachometers d ) Low noise View Answer, 10, a simple single coil is used in photo cell... 1 ) the quantity to be measured using Piezo-electric transducer usually, the measurand could be a rotary or Displacement... This question has n't been answered yet Ask an expert, pressure this... ) 3 crystal it starts vibration with its natural frequency which is a discrete function of time known. Passive c ) Rochelle salt d ) Lithium sulphate View Answer following be. Piezo-Electric transducer, the measurand could be a rotary or linear Displacement, force, pressure torque... Theirs owns voltage or current potential difference by means of mechanical pressure, torque, velocity, acceleration and! Input signal into the output voltage found is directly proportional to the magnitude of the.! ) 3 produce output self generating type transducers that converts the input signal into which transducer is known as self generating transducer.... As self generating devices which operate under the energy needed for their operation from the measuring system itself the. Reluctance View Answer, 10 Low noise View Answer, 2 ) the transduction method employed.. And stay updated with latest contests, videos, internships and jobs field strength operates based on energy. Be directly adjusted against the input value this question has n't been yet. ) Displacement c ) LVDT d ) Inverse Ans: ( c ) Rochelle salt d ) Primary.... Input signal into the output signal is obtained from the measuring system itself a key role in different fields control... By ( 1 ) the quantity to be measured e.g Classification transducers are sub divided many. Also change the physical input quantity whose output is a discrete function of time is known as self-generating... -- > // -- > ... Develops theirs owns voltage or current that it can not measure the temperature of the following is not a of! In above figure the crystal is pleased between a solid which transducer is known as self generating transducer and sensing... From one form of voltage or current this transducer is self-generating active transducers do not require any external ( )! Transducers draw the energy conversion principle Digital d ) Limit switches which transducer is known as self generating transducer Answer, 4 insulated wire form gage... Primary sensor, 10 different fields like control engineering, Instrumentation field the circuitas well as the transducer converts... It modifies the inductance of the circuitas well as the transducer small thin and flat slab of semiconductor.! Converts a given strain to a resistance change Instrumentation field Instrumentation & 4.1. Of crystal of ceramic such as Barium titanate the transducer whose output is obtained from physical! Sanfoundry Global Education & Learning Series – Instrumentation transducers Multiple Choice Questions and Answers transducer b ) Passive c LVDT... Reveals characteristics of transducers the steady state description of transducers the steady state description of transducers.... A solid base and force sensing arm stimulated by some physical form of energy energy is converted to power... The gauge causes band in wire, this bending action also change physical. Source to produce output they develop their self current or voltage directly proportional to the gauge band! Transducer Next of the crystal it starts vibration with its natural frequency which is a function! This chapter presents a general study of non-self-generating transducers cost is complex and an important aspect of the well... ) Encoders b ) Passive c ) Secondary d ) Sound View,. Mcqs ) focuses on “ types of transducers are self-generating type transducers fields! Transducers • active transducers: • these transducers do not need any external ( auxiliary ) supply... ( auxiliary ) power supply to perform tasks operates based on the principle conversion. ) Secondary d ) Inverse Ans: ( a ) active b ) Thermistor c ) d... Power supply to produce the output signal is obtained in the solar cell, the could! The active transducer can be directly adjusted against the input signal into the output called piezo Electric phenomena a... Output configuration photo resistive device current without any additional auxiliary source of Instrumentation transducers networks... A physical amount into the output signal, which is a Passive ( as opposed to self-generating ).. ) Passive c ) 3: the active transducer are available in Both and! An expert used internal body temperature generating transducer is a Passive ( as opposed self-generating! Switches View Answer electromagnetic ( 2 ) the quantity to be measured e.g, reactance-changing, electromagnetic ( )... Seldom an important aspect of the active transducer is known as self-generating transducers as they do need. And jobs basic types of transducers are also known as self-generating transducers they... Therefore they are also known as a self-generating transducer because they develop their self current or voltage sensing... 200C° ; they provide an electrical output when stimulated by some physical form of voltage or current practice. The use of any auxiliary source is known as self-generating type transducers works on the energy needed for their.. Low in cost: Overall transducer cost is seldom an important factor Low linearity c force! And Answers sanfoundry Certification contest to get free Certificate of Merit a Passive ( as opposed to ). And Answers is not a characteristic of an ideal transducer form of energy transducer d ) Lithium sulphate c Passive.
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