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Measurement and Instrumentation

Measurement and Instrumentation
What is the standard unit for length ?

 Kilometer
 Centimeter
 Inch
 Meter

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Measurement and Instrumentation
When the pointer of an indicating instrument comes to rest in the final deflected position, ______

None of the listed here
Both deflecting and controlling torques act
Only controlling torque acts
Only deflecting torque acts

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Measurement and Instrumentation
Which of the following quantities consists of S.I. unit as Hertz?

 Force
 Power
 Frequency
 Charge

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Measurement and Instrumentation
The circuit in figure is used to measure the power consumed by the load. The current coil and the voltage coil of the wattmeter have 0.02 Ω and 1000 Ω resistance respectively. The measured power compared to the load power will be

 0.4% less.
 0.4 more.
 0.2% more.
 0.2% less.

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Measurement and Instrumentation
Which of the quantity consists of unit as newton-second?

 Impulse
 velocity
 Acceleration
 Speed

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Measurement and Instrumentation
A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be

 0.50 A.
 0.70 A.
 0.25 A.
 0.67 A.

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