Measurement and Instrumentation A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt. Ballastic galvanometer Voltmeter Flux meter Ammeter Ballastic galvanometer Voltmeter Flux meter Ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation 0-150 V voltmeter has an accuracy of 1% of full-scale reading. The voltage measured by the instrument is 75 V. The limiting error is 2% 1% 3% 4% 2% 1% 3% 4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation How many time-base circuits does a dual face CRO can have? 3. 1. 2. 4. 3. 1. 2. 4. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The chemical effect of current is used in C. ammeter None of these C. energy meter C. ammeter hour meter C. ammeter None of these C. energy meter C. ammeter hour meter 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 Ripples of the DC supply. Stray thermal emfs. Errorneous standardisation. Stray magnetic fields. Ripples of the DC supply. Stray thermal emfs. Errorneous standardisation. Stray magnetic fields. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Current transformers Either of the above Power transformers Potential transformers Current transformers Either of the above Power transformers Potential transformers ANSWER DOWNLOAD EXAMIANS APP
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