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Measurement and Instrumentation

Measurement and Instrumentation
In a dynamometer wattmeter, the moving coil is the

None of the listed here
Current coil and potential coil
Current coil
Potential coil

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Measurement and Instrumentation
To increase Q factor of a coil, the wire should be

 long.
 thick.
 thin.
 long and thin.

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Measurement and Instrumentation
The resistance of a circuit is found by measuring current flowing and the power fed into the circuit. If the limiting errors in the measurement of power and current are ± 1.5% and ± 1.0% respectively, the limiting error in the measurement of resistance

 ± 3.5%
 ± 1.5%
 ± 2.5%
 ± 1%

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Measurement and Instrumentation
Alternating current is measured by

Electrostatic ammeter
Permanent magnet type ammeter
Induction ammeter
Moving iron repulsion type voltmeter

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Measurement and Instrumentation
A rectifier type instrument is connected to 100VDC and is operated in the DC measuring module reads

111V
100V
50V
90V

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Measurement and Instrumentation
The scale of hot wire ammeter is

  Non Linear.
 Cramped.
 Absloute linear.
 Linear.

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MORE MCQ ON Measurement and Instrumentation

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