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Measurement and Instrumentation

Measurement and Instrumentation
Most accurate measurement of unknown resistance will be by

Wheatstone bridge
Ohmmeter
Voltmeter and ammeter
Potentiometer

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

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

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Measurement and Instrumentation
How many fundamental units are there ?

 6
 4
 7
 8

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Measurement and Instrumentation
Direct method is used to measure

Voltage
Length
Pressure
Temperature

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Measurement and Instrumentation
The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be

 1.2%
 1%
 1.5%
 0.5%

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Measurement and Instrumentation
The effect of load resistance is important in measurement of

 resistance of shunt.
 resistance of shunt winding.
 both A and B.
 resistance of ammeter.

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MORE MCQ ON Measurement and Instrumentation

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