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Measurement and Instrumentation

Measurement and Instrumentation
An electrodynamic meter can be used to measure

  both AC and DC voltage.
 DC current.
 AC volatge.
 DC voltage.

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Measurement and Instrumentation
A power factor meter has

Two current circuit and one pressure circuit
None of the listed here
One current circuit and one pressure circuit
One current circuit and two pressure circuits

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Measurement and Instrumentation
Resistances can be measured with the help of

Wattmeters
Ohmmeters and resistance bridges
Voltmeters
Ammeters

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Measurement and Instrumentation
When checked with an ohm meter an open resistor reads

  low but not zero.
  high but within tolerance.
  infinite.
  zero.

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Measurement and Instrumentation
Systematic errors are

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

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Measurement and Instrumentation
The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is

 1 mA.
 2 mA.
 3 mA.
 4 mA.

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MORE MCQ ON Measurement and Instrumentation

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