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Measurement and Instrumentation

Measurement and Instrumentation
A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt.

Ammeter
Flux meter
Voltmeter
Ballastic galvanometer

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Measurement and Instrumentation
If two meters X and Y require 40 mA and 50 mA respectively, to give full scale deflection, then

 It would not be possible to assess the sensitivity on the basis of the given data.
 Both X and Y are equally sensitive.
 X is more sensitive.
 Y is more sensitive.

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Measurement and Instrumentation
The smallest change in measured variable to which instrument will respond is

  resolution.
 accuracy.
 precision.
 sensitivity.

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Measurement and Instrumentation
When the pointer of an indicating instrument comes to rest in the final deflected position, ______

None of the listed here
Both deflecting and controlling torques act
Only controlling torque acts
Only deflecting torque acts

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Measurement and Instrumentation
The ratio of change in output to the change in the input is called

 resolution
 sensitivity
 precision
 repeatability

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Measurement and Instrumentation
The range of a moving iron ac ammeter is extended by

Changing number of turns of operating coil
None of the listed here
A shunt
A multiplier

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MORE MCQ ON Measurement and Instrumentation

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