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Measurement and Instrumentation

Measurement and Instrumentation
A 10MHz CRO has

5MHz sweep
10MHz vertical oscillator
10MHz horizontal oscillator
10MHz supply frequency

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Measurement and Instrumentation
Dynamic errors are caused by

 instrument not responding fast
 human error
 environmental error
 observational error

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Measurement and Instrumentation
The function of shunt in an ammeter is to

Increase the resistance of ammeter
By pass the current
Increase the sensitivity of the ammeter
None of the listed here

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Measurement and Instrumentation
One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land?

1
0.84
0.65
0.73

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Measurement and Instrumentation
A voltage of 2.70 V is being measured by an analog indicating instrument having a scale range of 0 – 5.0 V. If the instrument reads 2.65 V, then absolute error in measurement is

 0.05V
 0.01V
 0.01V
 0.25V

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

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

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MORE MCQ ON Measurement and Instrumentation

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