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Measurement and Instrumentation

Measurement and Instrumentation
The household energymeter is

An integrating instrument
An indicating instrument
None of the listed here
A recording instrument

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Measurement and Instrumentation
A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is

 1.34 V.
 1 V.
 1.7 V.
 1.5 V.

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Measurement and Instrumentation
A dynamometer wattmeter can be used for

Both DC and AC
AC only
Any of the listed here
DC only

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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
The transfer instrument which is used for standardization of a polar type AC potentiometer is

 a thermal instrument.
 a dynamometer instrument.
 an electrostatic instrument.
 a moving coil instrument.

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Measurement and Instrumentation
A metal strain gauge has a gauge factor of two. Its nominal resistance is 120 ohms. If it undergoes a strain of 10-5, the value of change of resistance in response to the strain is

 120 Ohm.
 0.0012 Ohm.
 0.0024 Ohm.
 240 Ohm.

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MORE MCQ ON Measurement and Instrumentation

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