Measurement and Instrumentation No eddy current and hysteresis losses occur in PMMC instruments Electrostatic instruments Electrodynamo meter instruments Moving iron instruments PMMC instruments Electrostatic instruments Electrodynamo meter instruments Moving iron instruments 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 ideally zero. small. very high. high. ideally zero. small. very high. high. 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 measurment modes only. Frequency and period measurment modes, respectively. Period and frequency measurement modes respectively. Frequency measurment modes only. Period measurment modes only. Frequency and period measurment modes, respectively. Period and frequency measurement modes respectively. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most accurate measurement of unknown resistance will be by Voltmeter and ammeter Ohmmeter Potentiometer Wheatstone bridge Voltmeter and ammeter Ohmmeter Potentiometer Wheatstone bridge ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Electrostatic instruments are normally used for Low voltage measurements High current measurements Low current measurements High voltage measurements Low voltage measurements High current measurements Low current measurements High voltage measurements ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction wattmeter can measure None of the listed here Dc power only Both AC and DC Ac power only None of the listed here Dc power only Both AC and DC Ac power only ANSWER DOWNLOAD EXAMIANS APP
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