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Measurement and Instrumentation

Measurement and Instrumentation
A permanent magnet moving coil ammeter is connected in 50 Hz a. c. Circuit in which 5A current is flowing. The meter will read

2.5 A
None of the listed here
5 A
0 A

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Measurement and Instrumentation
A moving iron ammeter may be compensated for frequency errors by

Series resistance
A shunt resistance
Shunt capacitance
A series inductance

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Measurement and Instrumentation
To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken

From the same source as the unknown voltage
Any of the above
From a battery
From a source which is not the same as the unknown voltage

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Measurement and Instrumentation
Which one of the following units is a fundamental unit?

 Ampere
 Newton
 Joule/sec
 Watt

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Measurement and Instrumentation
For measurement on high voltage capacitors, the suitable bridge is

Modified De santy's bridge
Schering bridge
Wein bridge
Any of the listed here

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Measurement and Instrumentation
A potentiometer may be used for

All of the listed here
Measurement of current
Calibration of ammeter
Measurrment of resistance

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