Measurement and Instrumentation A dynamometer wattmeter can be used for Both DC and AC DC only Any of the listed here AC only Both DC and AC DC only Any of the listed here AC only 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 100 µNm. 2 µNm. 200 µNm. 1 µNm. 100 µNm. 2 µNm. 200 µNm. 1 µNm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sampling wattmeter is used to measure the average power of a load. The peak to peak voltage of a square wave is 10 V and the current is triangular wave of 5 Amp P-P as shown in the figure. The period is 20 ms. The reading in W will be 50 W. 100 W. 0 W. 25 W. 50 W. 100 W. 0 W. 25 W. 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 ______ instruments are most sensitive. Dynamometer Moving iron Permanent magnet moving coil Hot wire Dynamometer Moving iron Permanent magnet moving coil Hot wire ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An current of is measured with a thermocouple, 5 A full scale meter. What is the meter reading? 2+3√2 A. 5 A. 2 A. 3 A. 2+3√2 A. 5 A. 2 A. 3 A. ANSWER DOWNLOAD EXAMIANS APP
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