Measurement and Instrumentation A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads (2 + √3/2)V. 5 V. 0 V. 2 V. (2 + √3/2)V. 5 V. 0 V. 2 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measuring a very high resistance we should use Wheat stone bridge None of the listed here Megger Kelvin's double bridge Wheat stone bridge None of the listed here Megger Kelvin's double bridge ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A variable w is related to three other variables x, y and z as w = xy/z. The variables are measured with meters of accuracy ± 0.5% reading, ± 1% of full scale value and ± 1.5% reading. The actual readings of the three meters are 80, 20 and 50 with 100 being the full scale value for all three. The maximum uncertainty in the measurement of w will be ± 7% ± 8% ± 5% ± 6% ± 7% ± 8% ± 5% ± 6% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction type single phase energy meters measure electric energy in Wh kWh VAR kW Wh kWh VAR kW ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The function of shunt in an ammeter is to Increase the sensitivity of the ammeter None of the listed here Increase the resistance of ammeter By pass the current Increase the sensitivity of the ammeter None of the listed here Increase the resistance of ammeter By pass the current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Basically potential meter is a device for Comparing two voltages Measuring a current Measuring a voltage Comparing two currents Comparing two voltages Measuring a current Measuring a voltage Comparing two currents ANSWER DOWNLOAD EXAMIANS APP
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