Primary Sensing Elements and Transducers » Exercise - 18. Piezo-elctric transducers are : (a) passive transducers (b) active transducers (c) inverse transducers (d) active and inverse transducers
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 - 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 - 12. 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
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