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Measurement and Instrumentation

Measurement and Instrumentation
Relative error is same as

 ratio of absolute error and true value.
 absolute error.
None of these
 true error.

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Measurement and Instrumentation
The resistance of a circuit is found by measuring current flowing and the power fed into the circuit. If the limiting errors in the measurement of power and current are ± 1.5% and ± 1.0% respectively, the limiting error in the measurement of resistance

 ± 2.5%
 ± 1%
 ± 3.5%
 ± 1.5%

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Measurement and Instrumentation
In eddy current damping, disc or former is made of a material that is a

Non conductor and non magnetic
Conductor but magnetic
Conductor but non magnetic
Non conductor but magnetic

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Measurement and Instrumentation
An ammeter is ______ instrument.

An integrating
None of the listed here
A recording
An indicating

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Measurement and Instrumentation
Resistances can be measured with the help of

Wattmeters
Ohmmeters and resistance bridges
Ammeters
Voltmeters

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Measurement and Instrumentation
In a ballistic galvanometer, the deflecting torque is proportional to

The current through coil
Sine of measured
Square of current through coil
Square-root of current through coil

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