Measurement and Instrumentation Which of the following devices should be used for accurate measurement of low D.C. voltage? Small range moving coil voltmeter None of these C. potentiometer Small range thermocouple voltmeter Small range moving coil voltmeter None of these C. potentiometer Small range thermocouple voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Symmetric errors are Environment errors All of the listed here Instrument errors Observational errors Environment errors All of the listed here Instrument errors Observational errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of Contact resistance. Thermoelectric emfs. Resistance of connecting leads. All of above. Contact resistance. Thermoelectric emfs. Resistance of connecting leads. All of above. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The chemical effect of current is used in None of these C. energy meter C. ammeter C. ammeter hour meter None of these C. energy meter C. ammeter C. ammeter hour meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt. Flux meter Ammeter Ballastic galvanometer Voltmeter Flux meter Ammeter Ballastic galvanometer Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sinusoidal signal waveform, when observed on an oscilloscope, has a peak to peak amplitude of 6 cm. If the vertical sensitivity setting is 5 v/cm, then rms value of the voltage will be 12.6 V. 10.6 V. 15 V. 11.1 V. 12.6 V. 10.6 V. 15 V. 11.1 V. ANSWER DOWNLOAD EXAMIANS APP
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