Measurement and Instrumentation A voltmeter using thermocouple measures rms value. Peak to peak value. Average value. Peak value. rms value. Peak to peak value. Average value. Peak value. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Basically potential meter is a device for Comparing two voltages Comparing two currents Measuring a current Measuring a voltage Comparing two voltages Comparing two currents Measuring a current Measuring a voltage 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 V. (2 + √3/2)V. 5 V. 0 V. 2 V. (2 + √3/2)V. 5 V. 0 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which instrument has identical calibration for ac as well as dc values? Moving iron type Induction type Moving coil type Hot wire type Moving iron type Induction type Moving coil type Hot wire type ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The power factor of a single phase load can be calculated if the instruments available are Any of the listed here One voltmeter and one ammeter One voltmeter, one ammeter and one wattmeter One ammeter, one voltmeter and one energy meter Any of the listed here One voltmeter and one ammeter One voltmeter, one ammeter and one wattmeter One ammeter, one voltmeter and one energy meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at Low frequencies High load on the transformer High frequencies Power frequencies Low frequencies High load on the transformer High frequencies Power frequencies ANSWER DOWNLOAD EXAMIANS APP
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