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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.
 0.01 ohm.
 15.36 ohm.
  0.03 ohm.

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Measurement and Instrumentation
Basically potential meter is a device for

Measuring a current
Comparing two currents
Comparing two voltages
Measuring a voltage

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Measurement and Instrumentation
In a moving coil instrument, the deflecting torque is proportional to

Square of the current
Squareroot of the current
Current
Sine of the measurand

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Measurement and Instrumentation
Dynamic errors are caused by

 human error
 environmental error
 observational error
 instrument not responding fast

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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

 248 V.
 260 V.
 252 V.
 250 V.

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Measurement and Instrumentation
In a moving iron meter, the deflecting torque is proportional to

Current through the coil
Square of the current through the coil
Squareroot of the measurand
Sine of the measurand

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Measurement and Instrumentation

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