Measurement and Instrumentation
It can be stated that

No generalisation can be made with regard to the flux densities in CT and PT
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

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging

Pressure coil of the wattmeter will become ineffective.
One of the wattmeter connections will have to be reversed
One of the wattmeters will read zero
Both give the same readings

ANSWER DOWNLOAD EXAMIANS APP