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Measurement and Instrumentation

Measurement and Instrumentation
For a circuit given that I = 2 ± 5 % A, R = 100 ± 0.2 % Ω the limiting error in the power dissipation I2 R in the resistor R is

 25.2%
 5.2%
 10.2%
 1.2%

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Measurement and Instrumentation
The spring material used in a spring control device should have the following property.

Should non magnetic
All of the listed here
Most be of low temperature co-efficient
Should have low specific resistance

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Measurement and Instrumentation
If an inductance is connected in one arm of the bridge and resistance is the remaining three arms

None of the listed here
The bridge cannot be balanced
The bridge can be balanced if the resistance have some specific values
The bridge can always be balanced

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Measurement and Instrumentation
______ movement is most expensive.

Dynamometer
None of the listed here
Moving iron
D'Arsonval movement

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Measurement and Instrumentation
Induction type single phase energy meters measure electric energy in

VAR
kWh
kW
Wh

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Measurement and Instrumentation
A 10MHz CRO has

10MHz horizontal oscillator
10MHz vertical oscillator
10MHz supply frequency
5MHz sweep

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