Measurement and Instrumentation The resistance can be measured most accurately by Multimeter Megger Voltmeter-ammeter method Bridge method Multimeter Megger Voltmeter-ammeter method Bridge method ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A permanent magnet moving coil ammeter is connected in 50 Hz a. c. Circuit in which 5A current is flowing. The meter will read None of the listed here 0 A 5 A 2.5 A None of the listed here 0 A 5 A 2.5 A 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
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 1 Nm. 200 Nm. 2 Nm. 100 Nm. 1 Nm. 200 Nm. 2 Nm. 100 Nm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A megger is usually Moving iron type instrument Moving coil type instrument Electro-static type instrument Hot-wire type instrument Moving iron type instrument Moving coil type instrument Electro-static type instrument Hot-wire type instrument ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The function of shunt in an ammeter is to By pass the current None of the listed here Increase the resistance of ammeter Increase the sensitivity of the ammeter By pass the current None of the listed here Increase the resistance of ammeter Increase the sensitivity of the ammeter ANSWER DOWNLOAD EXAMIANS APP
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