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Measurement and Instrumentation

Measurement and Instrumentation
Null type recorders are

 any one of the above.
 potentiometric recorders.
 LVDT recorders.
 bridge recorders.

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Measurement and Instrumentation
Relative permittivity can be measured by _______ bridge

 Schering.
 Desautys.
 Hays.
 Wheatstones.

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Measurement and Instrumentation
Which one of the following meters has maximum loading effect on the circuit under measurement ?

 1000 Ω/volt
 1 MΩ/volt
 100 Ω/volt
 10 MΩ/volt

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Measurement and Instrumentation
A dynamometer wattmeter can be used for

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

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Measurement and Instrumentation
The quantity 1/√(∈0 × μ0) in SI units has the

 speed of light.
 both ‘a’ and ‘b’.
 none of these.
 dimension LT-1.

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Measurement and Instrumentation
The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be

 260 V.
 248 V.
 250 V.
 252 V.

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MORE MCQ ON Measurement and Instrumentation

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