Primary Sensing Elements and Transducers » Exercise - 16. Thermocouples are : (a) passive transducers (b) active transducers (c) both (a) and (b) transducers (d) neither (a) nor (b) transducers
Primary Sensing Elements and Transducers » Exercise - 110. Strain gauge is used : (a) To convert sound energy into electrical energy (b) To sense temperature (c) To convert electrical current into a mechanical displacement (d) To convert mechanical displacement into a change in resistance
Primary Sensing Elements and Transducers » Exercise - 17. Capacitive transducers are normally used for : (a) static measurement (b) dynamic measurement (c) both (a) and (b) transducers (d) neither (a) nor (b) transducers
Primary Sensing Elements and Transducers » Exercise - 14. 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
Primary Sensing Elements and Transducers » Exercise - 13. One of the following is an active transducer : (a) selsyn (b) strain gauge (c) photovoltaic cell (d) photo emissive cell