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 of the following instruments can be used to measure AC current only? Moving iron voltmeter Induction type ammeter Moving iron ammeter Permanent Magnet Type ammeter Moving iron voltmeter Induction type ammeter Moving iron ammeter Permanent Magnet Type ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The calibration of a voltmeter can be carried out by using A function generator. An ammeter. A frequency meter. A potentiometer. A function generator. An ammeter. A frequency meter. A potentiometer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation With a sweep time 10ms across the screen the approx. horizontal sawtooth frequency will be 1kHz 500Hz 100Hz 50Hz 1kHz 500Hz 100Hz 50Hz ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron instrument can be used for None of the listed here AC only DC only Both DC& AC None of the listed here AC only DC only Both DC& AC ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measurment of very low and very high frequencies is invariably done using a frequency counter in which one of the following? Frequency measurment modes only. Period and frequency measurement modes respectively. Frequency and period measurment modes, respectively. Period measurment modes only. Frequency measurment modes only. Period and frequency measurement modes respectively. Frequency and period measurment modes, respectively. Period measurment modes only. ANSWER DOWNLOAD EXAMIANS APP
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