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

 0.5%
 1.5%
 1%
 1.2%

ANSWER DOWNLOAD EXAMIANS APP

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

ANSWER DOWNLOAD EXAMIANS APP