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Measurement and Instrumentation

Measurement and Instrumentation
For measurement of mutual inductance we can use

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

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

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

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Measurement and Instrumentation
Wien bridge is useful for measuring

Low frequency
Medium frequency
Very high frequency
High frequency

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

None of these
Electrostatic coupling
Electromagnetic coupling
Both A and B

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Measurement and Instrumentation
To the y input of a CRO a signal defined by 10sin100t is applied. To the x input the signal 10cos100t is fed. The gain for both x-channel and y-channel is the same. The screen shows

  a circle.
 a straight line.
 sinisoidal.
 an ellipse.

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Measurement and Instrumentation
Resolution of an instrument is

 ability to distinguish polarity.
 the maximum quantity it can measure.
 the maximum non linearity.
 the minimum quantity it can measure.

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MORE MCQ ON Measurement and Instrumentation

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