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Measurement and Instrumentation

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
The ratio of change in output to the change in the input is called

 resolution
 sensitivity
 repeatability
 precision

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Measurement and Instrumentation
The transfer instrument which is used for standardization of a polar type AC potentiometer is

 a moving coil instrument.
 a dynamometer instrument.
 a thermal instrument.
 an electrostatic instrument.

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Measurement and Instrumentation
The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is

2 kWh
4 kWh
3 kWh
1 kWh

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

Increases
None of the listed here
Decreases
Remains same

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Measurement and Instrumentation
The effect of load resistance is important in measurement of

 resistance of shunt.
 both A and B.
 resistance of ammeter.
 resistance of shunt winding.

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MORE MCQ ON Measurement and Instrumentation

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