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Measurement and Instrumentation

Measurement and Instrumentation
The form factor in AC is the ratio of

Rms value to peak value
Peak value to average value
Peak value to rms value
Rms value to average value

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Measurement and Instrumentation
In a megger controlling torque is provided by

Spring
Eddy current
Coil
Gravity

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Measurement and Instrumentation
Most sensitive galvanometer is

Elastic galvanometer
Spot ballastic galvanometer
Vibration galvanometer
Duddle galvanometer

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Measurement and Instrumentation
Instrument transformers are

Both current and potential transformers
Pottential transformers
Current transformers
Power transformers

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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

 110.
 11.
 100.
 10.

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Measurement and Instrumentation
The function of shunt in an ammeter is to

Increase the sensitivity of the ammeter
By pass the current
None of the listed here
Increase the resistance of ammeter

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MORE MCQ ON Measurement and Instrumentation

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