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Measurement and Instrumentation

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.
 2√2V.
 √2V.
 2V.

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Measurement and Instrumentation
On a simple ohmmeter, the 0 Ω mark is _______ of the scale.

Far left
Far right
In the middle
None of the listed here

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Measurement and Instrumentation
To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken

From the same source as the unknown voltage
From a source which is not the same as the unknown voltage
Any of the above
From a battery

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Measurement and Instrumentation
A rectifier type instrument is connected to 100VDC and is operated in the DC measuring module reads

111V
50V
90V
100V

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Measurement and Instrumentation
Which devices used to measure the temperature of an object ?

 Thermometers
 Odometer
 Galvanometer
 Poteintiometer

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Measurement and Instrumentation
The difference between the measured value and the true value is called

 probable error
 relative error
 absolute error
 gross error

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