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Measurement and Instrumentation

Measurement and Instrumentation
A megger is usually

Electro-static type instrument
Moving coil type instrument
Hot-wire type instrument
Moving iron type instrument

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Measurement and Instrumentation
The thermocouple instruments do not have

Absence of frequency error
High degree of measuring accuracy
Independence of ambient temperature
High sensitivity

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Measurement and Instrumentation
The multiplier and the meter coil in a voltmeter are in

Parallel
Series-parallel
Series
None of the listed here

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Measurement and Instrumentation
A 10MHz CRO has

10MHz supply frequency
10MHz vertical oscillator
5MHz sweep
10MHz horizontal oscillator

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Measurement and Instrumentation
The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. This is to have full deflection when 100V is measured. What is the value of series resistor to be used?

100 ohms
99.99 ohms
100 K ohms
99.99 K ohms

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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 source other than the source of unknown voltage.
 Any of above.
 The same source as the unknown voltage.
 A battery.

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MORE MCQ ON Measurement and Instrumentation

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