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Measurement and Instrumentation

Measurement and Instrumentation
What is the expression for acceleration?

 Change in velocity / time
 Force x displacement
 Mass x acceleration
 Mass x velocity

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Measurement and Instrumentation
The scale of hot wire ammeter is

 Cramped.
 Absloute linear.
 Linear.
  Non Linear.

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Measurement and Instrumentation
If two meters X and Y require 40 mA and 50 mA respectively, to give full scale deflection, then

 Both X and Y are equally sensitive.
 Y is more sensitive.
 It would not be possible to assess the sensitivity on the basis of the given data.
 X is more sensitive.

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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

 Zero.
 √2V.
 2V.
 2√2V.

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Measurement and Instrumentation
The quantity 1/√(∈0 × μ0) in SI units has the

 dimension LT-1.
 none of these.
 speed of light.
 both ‘a’ and ‘b’.

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Measurement and Instrumentation
A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt.

Flux meter
Ammeter
Voltmeter
Ballastic galvanometer

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MORE MCQ ON Measurement and Instrumentation

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