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Measurement and Instrumentation

Measurement and Instrumentation
Relative permittivity can be measured by _______ bridge

 Wheatstones.
 Hays.
 Desautys.
 Schering.

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Measurement and Instrumentation
A power factor meter has

Two current circuit and one pressure circuit
One current circuit and one pressure circuit
One current circuit and two pressure circuits
None of the listed here

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Measurement and Instrumentation
Moving iron instruments have _____ scale.

Squared
Log
None of the listed here
Uniform

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Measurement and Instrumentation
Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are

360V and 240V
One of the meters out of the range and other 100V
400V and 200V
300V each

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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
______ instruments are most sensitive.

Permanent magnet moving coil
Dynamometer
Hot wire
Moving iron

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