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Measurement and Instrumentation

Measurement and Instrumentation
Systematic errors are

 observational errors.
All of these
 environmental errors.
 instrument errors.

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Measurement and Instrumentation
The thermocouple instrument will measure

Voltage
None of these
Flux
Current

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Measurement and Instrumentation
A voltmeter has 100 scale divisions and can measure up to 100 V. Each division can be read to ½ division. The resolution of the voltmeter is

 0.5 V
 1 V
 2 V
 1.5 V

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Measurement and Instrumentation
In a single phase energy meter, braking torque is provided by

Air friction
Permanent magnet
None of the listed here
Fluid friction

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Measurement and Instrumentation
A galvanometer with a full scale current of 10 mA has a resistance of 1000 Ω. The multiplying power (the ratio of measured current to galvanometer current) of 100 Ω shunt with this galvanometer is

 11.
 100.
 10.
 110.

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Measurement and Instrumentation
For measuring an AC voltage by an AC potentiometer it is desirable that the supply for the potentiometer is taken from

 A source other than the source of unknown voltage.
 The same source as the unknown voltage.
 A battery.
 Any of above.

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