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Measurement and Instrumentation

Measurement and Instrumentation
An electrodynamic meter can be used to measure

  both AC and DC voltage.
 AC volatge.
 DC voltage.
 DC current.

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Measurement and Instrumentation
To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to

 ± 20%
 ± 2.5%
 ± 1.5%
 ± 7.5 %

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Measurement and Instrumentation
A spring-controlled moving iron voltmeter draws a current of 1 mA for full scale value of 100V. If it draws a current of 0.5 mA, the meter reading is

 100 V.
 200 V.
 25 V.
 50 V.

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

Voltmeter
Ballastic galvanometer
Ammeter
Flux meter

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Measurement and Instrumentation
The maximum percentage error in the sum of two voltage measurements when V1 = 100V ± 1% and V2 = 80V ± 5% is

 ± 6%
 ± 4%
 ± 3%
 ± 2.8%

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Measurement and Instrumentation
The scale of a rectifier instrument is

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

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MORE MCQ ON Measurement and Instrumentation

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