A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in_______________?

Related Mcqs:

A system with transfer function [(2S/4S) + 1] is of _____________ order?

A. Zero B. 1st C. 2nd D. 3rd...

Transfer function of transportation lag is___________________?

A. eTS B. e-TS C. 1/(Ts + 1) D. None of these...

Flapper nozzle is used in a/an ______________ controller?

A. Electronic B. Hydraulic C. Pneumatic D. None of these...

Working principle of radiation pyrometer is based on the __________________?

A. Wien’s law B. Kirchoff’s law C. Stefan Boltzmann law D. Seebeck effect...

Stability of a control system containing a transportation lag can be best analysed by_______________?

A. Routh test B. Root locus methods C. Frequency response methods D. None of these...