Measurement and Instrumentation The calibration of a voltmeter can be carried out by using A frequency meter. A potentiometer. A function generator. An ammeter. A frequency meter. A potentiometer. A function generator. An ammeter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A high frequency AC signal is applied to a PMMC instrument. The RMS value of the AC signal is 2V, the reading of the instrument is 2V. 2√2V. √2V. Zero. 2V. 2√2V. √2V. Zero. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is 3 mA. 1 mA. 2 mA. 4 mA. 3 mA. 1 mA. 2 mA. 4 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation ______ movement is most expensive. D'Arsonval movement Dynamometer None of the listed here Moving iron D'Arsonval movement Dynamometer None of the listed here Moving iron ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An ammeter is ______ instrument. An indicating A recording None of the listed here An integrating An indicating A recording None of the listed here An integrating ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pressure coil of a wattmeter should be connected on the supply side of the current coil when Load impedance is low Supply voltage is low None of these Load impedance is high Load impedance is low Supply voltage is low None of these Load impedance is high ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS