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Measurement and Instrumentation

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%
 ± 7.5 %
 ± 1.5%
 ± 2.5%

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Measurement and Instrumentation
A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is

 2%
 1%
 2.5%
 1.5%

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Measurement and Instrumentation
A current of is measured with a thermocouple, 5 A full scale meter. What is the meter reading?

 4.06 A.
 2.03 A.
 6.09 A.
 5 A.

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Measurement and Instrumentation
Most sensitive galvanometer is

Duddle galvanometer
Spot ballastic galvanometer
Elastic galvanometer
Vibration galvanometer

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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%
 ± 2.5%
 ± 1.5%
 ± 1%

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Measurement and Instrumentation
For the AC bridge circuit shown in figure at balance the value of Rd will be

 (Ra/Rc).Rb.
 (Rb/Rc).Ra.
 (Rc/Ra).Rb.
 (Rc/Rb).Ra.

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MORE MCQ ON Measurement and Instrumentation

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