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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?

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

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Measurement and Instrumentation
The best type of meter moment is ______ moment.

Iron- vane
Dynamometer
None of the listed here
D'Arsonval

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Measurement and Instrumentation
Which of the following devices may be used for extending the range of instruments?

Potential transformers
Current transformers
All of the listed here
Shunt

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Measurement and Instrumentation
In the bridge given in the figure, the reading of the high impedance voltmeter is

 4.20 V.
 - 3.33 V.
 Zero.
 6.66 V.

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Measurement and Instrumentation
The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. This is to have full deflection when 100V is measured. What is the value of series resistor to be used?

100 K ohms
99.99 K ohms
99.99 ohms
100 ohms

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Measurement and Instrumentation
Magnetic deflection is inversely proportional to

 Voltage.
 (Voltage)-0.5.
 (Voltage)2.
 (Voltage)1.5.

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