Measurement and Instrumentation The difference between the measured value and the true value is called relative error probable error absolute error gross error relative error probable error absolute error gross error 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 The same source as the unknown voltage. A source other than the source of unknown voltage. Any of above. A battery. The same source as the unknown voltage. A source other than the source of unknown voltage. Any of above. A battery. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistance of 105 ohms is specified using significant figures as indicated below : 1. 105 ohms 2. 105.0 ohms 3. 0.000105 mega ohms Among these, 2 represents greater precision but 1 and 3 represent same precision. 2 and 3 represent greater precision than 1. 1 represents greater precision than 2 and 3. 1, 2 and 3 represent same precision. 2 represents greater precision but 1 and 3 represent same precision. 2 and 3 represent greater precision than 1. 1 represents greater precision than 2 and 3. 1, 2 and 3 represent same precision. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A CRO can display DC signals Time invariant signals AC signals Both AC and DC signals DC signals Time invariant signals AC signals Both AC and DC signals ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following instruments can be used to measure AC current only? Moving iron ammeter Permanent Magnet Type ammeter Moving iron voltmeter Induction type ammeter Moving iron ammeter Permanent Magnet Type ammeter Moving iron voltmeter Induction type ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is 1.5 V. 1.34 V. 1 V. 1.7 V. 1.5 V. 1.34 V. 1 V. 1.7 V. ANSWER DOWNLOAD EXAMIANS APP
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