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Measurement and Instrumentation

Measurement and Instrumentation
Dynamic errors are caused by

 environmental error
 human error
 instrument not responding fast
 observational error

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Measurement and Instrumentation
For measuring a very high resistance we should use

Kelvin's double bridge
Megger
Wheat stone bridge
None of the listed here

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Measurement and Instrumentation
Schering bridge is used to measure which of the following?

 Resistance.
  Capacitance.
 Frequency.
 Inductance.

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Measurement and Instrumentation
Which of the following devices may be used for extending the range of instruments?

Current transformers
Shunt
Potential transformers
All of the listed here

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Measurement and Instrumentation
The pressure coil of a wattmeter should be connected on the supply side of the current coil when

None of these
Load impedance is high
Supply voltage is low
Load impedance is low

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Measurement and Instrumentation
A spring-controlled moving iron voltmeter draws a current of 1 mA for full scale value of 100V. If it draws a current of 0.5 mA, the meter reading is

 200 V.
 100 V.
 50 V.
 25 V.

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