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Measurement and Instrumentation

Measurement and Instrumentation
A mulliammeter can be used as

Frequency meter
Wattmeter
Voltmeter and ammeter
Ohmmeter

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Measurement and Instrumentation
For measurement of mutual inductance we can use

Heavyside bridge
Maxwell's bridge
Any of the listed here
Anderson bridge

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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

0.023mA
0.05mA
0.007mA
0.1mA

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Measurement and Instrumentation
A sinusoidal signal waveform, when observed on an oscilloscope, has a peak to peak amplitude of 6 cm. If the vertical sensitivity setting is 5 v/cm, then rms value of the voltage will be

  10.6 V.
 11.1 V.
 15 V.
 12.6 V.

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Measurement and Instrumentation
Induction wattmeter can measure

None of the listed here
Dc power only
Both AC and DC
Ac power only

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Measurement and Instrumentation
Wagner earthing device is used to eliminate errors due to

Electromagnetic coupling
None of these
Electrostatic coupling
Both A and B

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MORE MCQ ON Measurement and Instrumentation

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