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Measurement and Instrumentation

Measurement and Instrumentation
Systematic errors are

All of these
 environmental errors.
 observational errors.
 instrument errors.

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Measurement and Instrumentation
For measurement of high direct voltage, one would use _____ voltmeter.

Electrostatic
PMMC
Moving iron
Hot wire

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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

Controlling
Deflecting
None of the listed here
Damping

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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 postioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is

 100 Nm.
 1 Nm.
  200 Nm.
 2 Nm.

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Measurement and Instrumentation
Ryall crest voltmeter is used for measurement of

High AC voltage
AC voltage of any form
Low frequency voltage
High DC voltage

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Measurement and Instrumentation
The Metric System is also called as:

 MKS system
 SI
 CGS
None of these

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