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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
Voltmeter
Ballastic galvanometer
Flux meter

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Measurement and Instrumentation
A high frequency AC signal is applied to a PMMC instrument. The RMS value of the AC signal is 2V, the reading of the instrument is

 2V.
 Zero.
 √2V.
 2√2V.

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Measurement and Instrumentation
A 0 - 250V voltmeter has a guaranteed accuracy of 2% of full scale reading. What is the percentage of error if it measures 150V?

 5%
 2%
 3.33%
 1%

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Measurement and Instrumentation
The limiting errors of measurement of power consumed by and the current passing through a resistance are ±1.5% and ±1% respectively. What is the limiting error ( in %) of measurement of resistance ?

 ±3.5%
 ± 1%
 ± 1.5%
 ± 2.5%

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Measurement and Instrumentation
In a portable instrument , the controlling torque is provided by

Gravity
Spring
Eddy currents
All of the listed here

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Measurement and Instrumentation
The scale of a rectifier instrument is

None of the listed here
Linear
Either linear or non linear
Non-linear

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MORE MCQ ON Measurement and Instrumentation

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