Primary Sensing Elements and Transducers » Exercise – 1
2. An inverse transducer converts :
(a) electrical energy into any other form of energy
(b) electrical energy to light energy
(c) mechanical displacement into electrical signal
(d) electrical energy to mechanical form
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- Primary Sensing Elements and Transducers » Exercise - 1 1. A transducer converts : (a) mechanical energy into electrical energy (b) mechanical displacement into electrical signal (c) one form of energy into another form of energy (d) electrical energy into mechanical form 2. An inverse transducer converts : (a) electrical energy into any other form of energy (b) electrical energy to light energy (c) mechanical displacement into electrical signal (d) electrical energy to mechanical form 3. One of the following is an active transducer : (a) selsyn (b) strain gauge (c) photovoltaic cell (d) photo emissive cell 4. One of the following can act as an inverse transducer : (a) L.V.D.T. (b) capacitive transducer (c) piezoelectric crystals (d) electrical resistance potentiometer 5. Strain gauge is a passive transducer and is used for converting mechanical displacement into a change in : (a) Temperature (b) Resistance (c) Inductance (d) Capacitance 6. Thermocouples are : (a) passive transducers (b) active transducers (c) both (a) and (b) transducers (d) neither (a) nor (b) transducers 7. Capacitive transducers are normally used for : (a) static measurement (b) dynamic measurement (c) both (a) and (b) transducers (d) neither (a) nor (b) transducers 8. Piezo-elctric transducers are : (a) passive transducers (b) active transducers (c) inverse transducers (d) active and inverse transducers 9. The dynamic characteristics of…