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Measurement and Instrumentation

Measurement and Instrumentation
For measurement of inductance having high value, we should use

Maxwell's bridge
Hay's bridge
Maxwell wein bridge
Any of the listed here

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Measurement and Instrumentation
A slide wire potentiometer has 10 wires of 1 m each. With the help of a standard voltage source of 1.018 V it is standardised by keeping the jockey at 101.8 cm. If the resistance of the potentiometer wires is 1000 ohm, then the value of the working current will be

 1mA.
 0.5 mA.
 100 mA.
 10 mA.

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Measurement and Instrumentation
The errors mainly caused by human mistakes are

 systematic error.
 observational error.
  gross error.
 instrumental error.

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Measurement and Instrumentation
The ratio of change in output to the change in the input is called

 repeatability
 resolution
 precision
 sensitivity

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Measurement and Instrumentation
A moving iron instrument can be used for

Both DC& AC
DC only
AC only
None of the listed here

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Measurement and Instrumentation
A high frequency AC signal is applied to a PMMC instrument. The RMS value of the AC signal is 2V, the reading of the instrument is

 2V.
 √2V.
 2√2V.
 Zero.

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MORE MCQ ON Measurement and Instrumentation

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