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Measurement and Instrumentation

Measurement and Instrumentation
The form factor in AC is the ratio of

Peak value to average value
Peak value to rms value
Rms value to average value
Rms value to peak value

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Measurement and Instrumentation
The ratio of change in output to the change in the input is called

 repeatability
 sensitivity
 resolution
 precision

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Measurement and Instrumentation
A current of is measured with a thermocouple, 5 A full scale meter. What is the meter reading?

 4.06 A.
 2.03 A.
 5 A.
 6.09 A.

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Measurement and Instrumentation
What is the name of physical quantities which are independent of each other?

 Derived quantity
 Numerical quantity
None of these
 Fundamental quantity

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Measurement and Instrumentation
The transfer instrument which is used for standardization of a polar type AC potentiometer is

 a dynamometer instrument.
 a moving coil instrument.
 a thermal instrument.
 an electrostatic instrument.

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Measurement and Instrumentation
The maximum percentage error in the sum of two voltage measurements when V1 = 100V ± 1% and V2 = 80V ± 5% is

 ± 6%
 ± 4%
 ± 3%
 ± 2.8%

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