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Measurement and Instrumentation

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

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

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Measurement and Instrumentation
In the bridge given in the figure, the reading of the high impedance voltmeter is

 - 3.33 V.
 Zero.
 4.20 V.
 6.66 V.

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Measurement and Instrumentation
Which wave has the least form factor?

Triangular wave
Sine wave
Rectangular wave
Square wave

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Measurement and Instrumentation
Kelvin’s double bridge is used to measure low resistance because

 resistance variation due to temperature.
 there is no thermo electric emf.
 it has high sensitivity.
 effect of contact and lead resistance is eliminated.

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Measurement and Instrumentation
A dynamometer wattmeter can be used for

DC only
Both DC and AC
Any of the listed here
AC only

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Measurement and Instrumentation
If two meters X and Y require 40 mA and 50 mA respectively, to give full scale deflection, then

 X is more sensitive.
 Both X and Y are equally sensitive.
 It would not be possible to assess the sensitivity on the basis of the given data.
 Y is more sensitive.

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MORE MCQ ON Measurement and Instrumentation

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