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Measurement and Instrumentation

Measurement and Instrumentation
A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is

 1%
 1.5%
 2%
 2.5%

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Measurement and Instrumentation
An average reading digital multimeter reads 10 V when fed a triangular wave, symmetric about the axis. For the same input, an rms reading meter will read

 20√3.
 20.
  10√3.
 10.

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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

0 A
None of the listed here
2.5 A
5 A

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Measurement and Instrumentation
The form factor in AC is the ratio of

Rms value to peak value
Peak value to average value
Rms value to average value
Peak value to rms value

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Measurement and Instrumentation
The resistance can be measured most accurately by

Bridge method
Multimeter
Voltmeter-ammeter method
Megger

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Measurement and Instrumentation
Dynamic errors are caused by

 observational error
 human error
 environmental error
 instrument not responding fast

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MORE MCQ ON Measurement and Instrumentation

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