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Measurement and Instrumentation

Measurement and Instrumentation
A 0 - 100 V voltmeter has a guaranteed accuracy of 2 % of full scale reading. The voltage measured by the voltmeter is 75 V. The limiting error is in percentage

 1 %.
 3.33 %.
 2 %.
  2.66 %.

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Measurement and Instrumentation
The scale of a rectifier instrument is

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

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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

 ± 7.5 %
 ± 20%
 ± 2.5%
 ± 1.5%

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Measurement and Instrumentation
The controlling torque of an indicating instrument ______ as the deflection of the moving system increases.

None of the listed here
Increases
Decreases
Remains same

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Measurement and Instrumentation
On a simple ohmmeter, the 0 Ω mark is _______ of the scale.

Far left
None of the listed here
In the middle
Far right

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Measurement and Instrumentation
The chemical effect of current is used in

C. ammeter
C. energy meter
None of these
C. ammeter hour meter

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