Measurement and Instrumentation
Swamping resistance is used to compensate

 error due to temperature true variations.
 both A and B.
 none of these.
 error due to strong magnetic field.

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Measurement and Instrumentation
It can be stated that

CT operates with considerably lower flux density than a PT
CT operates with a higher flux density than PT
CT operates at almost the same flux density as a PT
No generalisation can be made with regard to the flux densities in CT and PT

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