Measurement and Instrumentation Which of the following devices should be used for accurate measurement of low D.C. voltage? Small range moving coil voltmeter C. potentiometer None of these Small range thermocouple voltmeter Small range moving coil voltmeter C. potentiometer None of these Small range thermocouple voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The core flux in the CT of above question no.6, under the given operating conditions is 225 mWb. 450 mWb. 1000 mWb. 0. 225 mWb. 450 mWb. 1000 mWb. 0. ANSWER DOWNLOAD EXAMIANS APP
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 high. small. ideally zero. very high. high. small. ideally zero. very high. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An average reading digital multimeter reads 10 V when fed a triangular wave, symmetric about the axis. For the same input, an rms reading meter will read 20√3. 10. 10√3. 20. 20√3. 10. 10√3. 20. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When checked with an ohm meter an open resistor reads high but within tolerance. zero. infinite. low but not zero. high but within tolerance. zero. infinite. low but not zero. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Commonly used instruments in power system measurement are Electrostatic Induction Rectifier Moving coil or iron Electrostatic Induction Rectifier Moving coil or iron ANSWER DOWNLOAD EXAMIANS APP