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Measurement and Instrumentation

Measurement and Instrumentation
Attraction and repulsion type instruments are the two different types of which instrument ?

 Induction type.
 Multipliers.
  Moving iron type.
 Dynamo-meter type.

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Measurement and Instrumentation
0-150 V voltmeter has an accuracy of 1% of full-scale reading. The voltage measured by the instrument is 75 V. The limiting error is

 1%
 2%
 3%
 4%

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Measurement and Instrumentation
Following is a 16-bit register for 8085 microprocessor

 Accumulator
 Register C
 Register B
 Stack pointer

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Measurement and Instrumentation
The function of shunt in an ammeter is to

None of the listed here
By pass the current
Increase the sensitivity of the ammeter
Increase the resistance of ammeter

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

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

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Measurement and Instrumentation
The moving coil-meters, damping is provided by

 the coil spring attached to the moving.
 eddy current disk.
 the aluminium frame of the coil.
 damping vane in the airtight chamber.

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