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Measurement and Instrumentation

Measurement and Instrumentation
Which of the following essential featuresis possessed by an indicating instrument?

Controlling device
Deflecting device
Damping device
All of the listed here

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Measurement and Instrumentation
For measurement on high voltage capacitors, the suitable bridge is

Schering bridge
Modified De santy's bridge
Wein bridge
Any of the listed here

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Measurement and Instrumentation
A ______ device prevents the oscillation of the moving statem and enables the latter to reach its final position quickly

Damping
Deflecting
None of the listed here
Controlling

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Measurement and Instrumentation
A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is positioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is

  200 µNm.
 100 µNm.
 1 µNm.
 2 µNm.

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Measurement and Instrumentation
The use of thermocouple meters for AC measurement leads to scale which is

 logarithmic.
 expontial.
 linear.
 square law.

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Measurement and Instrumentation
A galvanometer has

Fluid friction damping
Air friction damping
Eddy current damping
Spring coil damping

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