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 - 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 - 13. One of the following is an active transducer : (a) selsyn (b) strain gauge (c) photovoltaic cell (d) photo emissive cell
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 - 19. The dynamic characteristics of capacitive transducers are similar to those of : (a) low pass filters (b) high pass filters (c) band stop filters (d) notch filters