Measurement and Instrumentation The calibration of a voltmeter can be carried out by using An ammeter. A function generator. A frequency meter. A potentiometer. An ammeter. A function generator. A frequency meter. A potentiometer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to Electromagnetic coupling None of these Both A and B Electrostatic coupling Electromagnetic coupling None of these Both A and B Electrostatic coupling ANSWER DOWNLOAD EXAMIANS APP
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 The pressure coil of a wattmeter should be connected on the supply side of the current coil when None of these Load impedance is low Supply voltage is low Load impedance is high None of these Load impedance is low Supply voltage is low Load impedance is high ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for momentum? force × displacement mass × velocity mass × acceleration change of velocity / time force × displacement mass × velocity mass × acceleration change of velocity / time ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Schering bridge is used to measure which of the following? Capacitance. Resistance. Frequency. Inductance. Capacitance. Resistance. Frequency. Inductance. ANSWER DOWNLOAD EXAMIANS APP
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