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Measurement and Instrumentation

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

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

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Measurement and Instrumentation
The scale of hot wire ammeter is

  Non Linear.
 Absloute linear.
 Cramped.
 Linear.

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Measurement and Instrumentation
An instrument to be used for measurement and control should preferably have

A highly damped response
Linear output and fast response
Non-linear output
Dead zone and dead time

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Measurement and Instrumentation
Figure show an RC potentiometer to measure AC voltage. It is desire that Vo/Vi should be independent of frequency. The value of C shoud be

 10 µF.
 11 µF.
 0.09 µF.
 0.1 µF.

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Measurement and Instrumentation
A sampling wattmeter is used to measure the average power of a load. The peak to peak voltage of a square wave is 10 V and the current is triangular wave of 5 Amp P-P as shown in the figure. The period is 20 ms. The reading in W will be

  0 W.
 25 W.
 50 W.
 100 W.

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Measurement and Instrumentation
The dynamometer principle can be used for

 wattmeter only.
 ammeter, voltmeter and wattmeter.
 ammeter only.
 voltmeter only.

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MORE MCQ ON Measurement and Instrumentation

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