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Measurement and Instrumentation

Measurement and Instrumentation
For a circuit given that I = 2 ± 5 % A, R = 100 ± 0.2 % Ω the limiting error in the power dissipation I2 R in the resistor R is

 10.2%
 25.2%
 5.2%
 1.2%

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Measurement and Instrumentation
The operating voltage of a megger is about

100 V
12 V
6 V
40 V

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Measurement and Instrumentation
An ammeter of range 0-25 A has a guaranteed accuracy of 1% of full-scale reading. The current measured by the ammeter is 5 A. The limiting error in the reading is

 5%
 3%
 4%
 6%

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Measurement and Instrumentation
An Ohmmeter is a

Moving coil instrument
Dynamometer instrument
None of the listed here
Moving iron instrument

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Measurement and Instrumentation
A permanent magnet moving coil ammeter has a coil resistance of 99ohm and Full Scale DeflectionFSD. current of 0.1mA. Shunt resistance is 1 ohm. Current through the meter at 0.5 F.S.D is

0.007mA
0.05mA
0.023mA
0.1mA

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Measurement and Instrumentation
Null type recorders are

 any one of the above.
 potentiometric recorders.
 bridge recorders.
 LVDT recorders.

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MORE MCQ ON Measurement and Instrumentation

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