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 0 V. 5 V. (2 + √3/2)V. 2 V. 0 V. 5 V. (2 + √3/2)V. 2 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The adjustment of position of shading bands, in an energy meter is done to provide Creep compensation Breaking torque None of the listed here Friction compensation Creep compensation Breaking torque None of the listed here Friction compensation ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is postioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 200 Nm. 2 Nm. 1 Nm. 100 Nm. 200 Nm. 2 Nm. 1 Nm. 100 Nm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The chemical effect of current is used in C. ammeter hour meter None of these C. ammeter C. energy meter C. ammeter hour meter None of these C. ammeter C. energy meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wattmeter reads 30.34 W. The absolute error in the measurement is - 2.22 W. What is the true value of power? 32.56 W . 25.45 W. None of these 28.12 W. 32.56 W . 25.45 W. None of these 28.12 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If the instrument is to have a wide range, the instrument should have Square-law scale Exponential scale Linear scale Logarithmic scale Square-law scale Exponential scale Linear scale Logarithmic scale ANSWER DOWNLOAD EXAMIANS APP
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