Measurement and Instrumentation To increase Q factor of a coil, the wire should be thick. long and thin. long. thin. thick. long and thin. long. thin. 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 25 W. 0 W. 100 W. 50 W. 25 W. 0 W. 100 W. 50 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measuring an AC voltage by an AC potentiometer it is desirable that the supply for the potentiometer is taken from A battery. Any of above. The same source as the unknown voltage. A source other than the source of unknown voltage. A battery. Any of above. The same source as the unknown voltage. A source other than the source of unknown voltage. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following is a variable displacement transducer? tachometer None of these potentiometer synchros tachometer None of these potentiometer synchros ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The rectifier instrument is not free from Wave shape error All of the listed here Frequency error Temperature error Wave shape error All of the listed here Frequency error Temperature error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and stray fields are perpendicular. parallel. inclined at 60o. inclined at 30o. perpendicular. parallel. inclined at 60o. inclined at 30o. ANSWER DOWNLOAD EXAMIANS APP
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