Measurement and Instrumentation When a potentiometer is used for measurement of voltage of an unknown source, the power consumed in the circuit of the unknown source under null condition is ideally zero. small. very high. high. ideally zero. small. very high. high. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measuring a very high resistance we should use Wheat stone bridge Kelvin's double bridge None of the listed here Megger Wheat stone bridge Kelvin's double bridge None of the listed here Megger ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The scale of a rectifier instrument is Non-linear None of the listed here Either linear or non linear Linear Non-linear None of the listed here Either linear or non linear Linear ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Assertion(A): A low power factor wattmeter has special constructional features to ensure accurate measurment. Reason(R): Extension of wattmeter range in DC circuit can be easily done by using current and potential transformer Both A and R is true and R is not correct explanation of A. A is false R is true. Both A and R is true and R is correct explanation of A C. A is true R is false. Both A and R is true and R is not correct explanation of A. A is false R is true. Both A and R is true and R is correct explanation of A C. A is true R is false. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltmeter using thermocouple measures Peak value. Average value. Peak to peak value. rms value. Peak value. Average value. Peak to peak value. rms value. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Electrostatic instruments are used as Both ammeter and voltmeter Voltmeters only Wattmeter only Ammeters only Both ammeter and voltmeter Voltmeters only Wattmeter only Ammeters only ANSWER DOWNLOAD EXAMIANS APP
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