Measurement and Instrumentation The best type of meter moment is ______ moment. D'Arsonval None of the listed here Iron- vane Dynamometer D'Arsonval None of the listed here Iron- vane Dynamometer 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 positioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 1 µNm. 100 µNm. 2 µNm. 200 µNm. 1 µNm. 100 µNm. 2 µNm. 200 µNm. 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? None of these 28.12 W. 25.45 W. 32.56 W . None of these 28.12 W. 25.45 W. 32.56 W . ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a portable instrument , the controlling torque is provided by Eddy currents All of the listed here Spring Gravity Eddy currents All of the listed here Spring Gravity 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. 0 V. 5 V. 2 V. (2 + √3/2)V. 0 V. 5 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of Stray thermal emfs. Errorneous standardisation. Stray magnetic fields. Ripples of the DC supply. Stray thermal emfs. Errorneous standardisation. Stray magnetic fields. Ripples of the DC supply. ANSWER DOWNLOAD EXAMIANS APP
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