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Measurement and Instrumentation

Measurement and Instrumentation
In induction type ammeter, _____ damping is provided.

Eaddy current
Fluid friction
None of the listed here
Air friction

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Measurement and Instrumentation
The effect of load resistance is important in measurement of

 both A and B.
 resistance of shunt winding.
 resistance of shunt.
 resistance of ammeter.

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Measurement and Instrumentation
Standardization of potentiometer is done in order that, they become

 accurate and precise.
 precise.
 accurate.
 accurate and direct reading.

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Measurement and Instrumentation
For measuring a very high resistance we should use

None of the listed here
Kelvin's double bridge
Megger
Wheat stone bridge

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Measurement and Instrumentation
A galvanometer with a full scale current of 10 mA has a resistance of 1000 Ω. The multiplying power (the ratio of measured current to galvanometer current) of 100 Ω shunt with this galvanometer is

 11.
 110.
 100.
 10.

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Measurement and Instrumentation
The dynamometer principle can be used for

 wattmeter only.
 ammeter only.
 voltmeter only.
 ammeter, voltmeter and wattmeter.

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