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Measurement and Instrumentation

Measurement and Instrumentation
The measured value of a resistance is 10.25 ohm, whereas its value of 10.22 ohm. What is absolute error of the measurement?

 10.26 ohm.
  0.03 ohm.
 0.01 ohm.
 15.36 ohm.

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Measurement and Instrumentation
Which of the quantity consists of SI unit as Candela?

 Velocity
 Luminous intensity
 Force
 Impulse

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Measurement and Instrumentation
PMMC type instruments normally use

Eddy current damping
None of these
Fluid friction damping
Air friction damping

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Measurement and Instrumentation
A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt.

Ballastic galvanometer
Flux meter
Voltmeter
Ammeter

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Measurement and Instrumentation
The error of an instrument is normally given as a percentage of

Full-scale value
Mean value
Rms value
Measured value

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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

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

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