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Measurement and Instrumentation

Measurement and Instrumentation
Most accurate measurement of unknown resistance will be by

Potentiometer
Wheatstone bridge
Voltmeter and ammeter
Ohmmeter

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Measurement and Instrumentation
To measure ac as well as dc power, we use

Sometimes induction and sometimes dynamometer wattmeter
Dynamometer wattmeter
Induction wattmeter
None of the listed here

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Measurement and Instrumentation
A thermometer having first order dynamics is subjected to a sudden temperature change of 30oc to 150oc. If it has he time constant of 5 sec, what temperature will be indicated by after 5 sec?

 105.6o.
 63.25o.
 30o.
 150o.

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Measurement and Instrumentation
The error of an instrument is normally given as a percentage of

Rms value
Full-scale value
Measured value
Mean value

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Measurement and Instrumentation
In a portable instrument , the controlling torque is provided by

Eddy currents
All of the listed here
Gravity
Spring

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Measurement and Instrumentation
The internal resistance of Weston standard cell is of order of

 1 ohm.
 10 ohm.
 1000 ohm.
 100 ohm.

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MORE MCQ ON Measurement and Instrumentation

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