Measurement and Instrumentation For measuring an AC voltage by an AC potentiometer it is desirable that the supply for the potentiometer is taken from A source other than the source of unknown voltage. Any of above. The same source as the unknown voltage. A battery. A source other than the source of unknown voltage. Any of above. The same source as the unknown voltage. A battery. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the standard unit for length ? Kilometer Meter Inch Centimeter Kilometer Meter Inch Centimeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The use of thermocouple meters for AC measurement leads to scale which is logarithmic. expontial. linear. square law. logarithmic. expontial. linear. square law. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure the flux, devices used are based on Hall effect Piezo-electric effect Voltaic effect Photo-voltaic effect Hall effect Piezo-electric effect Voltaic effect Photo-voltaic effect ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of an ammeter should be Infinity High Very small Medium Infinity High Very small Medium ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A thermo couple ammeter gives full scale deflection of 10 A, when it reads one fifth of the scale, the current will be 4.47 A. 5.78 A. 2 A. 4 A. 4.47 A. 5.78 A. 2 A. 4 A. ANSWER DOWNLOAD EXAMIANS APP
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