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Measurement and Instrumentation

Measurement and Instrumentation
The best type of meter moment is ______ moment.

None of the listed here
Dynamometer
Iron- vane
D'Arsonval

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

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

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Measurement and Instrumentation
An ammeter of range 0-25 A has a guaranteed accuracy of 1% of full-scale reading. The current measured by the ammeter is 5 A. The limiting error in the reading is

 5%
 3%
 6%
 4%

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Measurement and Instrumentation
A moving iron ammeter produces a full scale torque of 240 μNm with a deflection of 120° at a current of 10 A. The rate of change of self induction (μH/radian) of the instrument at full scale is

 114.6 μH/radian.
 2.0 μH/radian.
 4.8 μH/radian.
 12.0 μH/radian.

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Measurement and Instrumentation
A permanent magnet moving coil ammeter is connected in 50 Hz a. c. Circuit in which 5A current is flowing. The meter will read

None of the listed here
5 A
0 A
2.5 A

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Measurement and Instrumentation
No eddy current and hysteresis losses occur in

Electrodynamo meter instruments
Moving iron instruments
Electrostatic instruments
PMMC instruments

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MORE MCQ ON Measurement and Instrumentation

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