Measurement and Instrumentation
Assertion(A): A low power factor wattmeter has special constructional features to ensure accurate measurment. Reason(R): Extension of wattmeter range in DC circuit can be easily done by using current and potential transformer
Both A and R is true and R is not correct explanation of A.
A is false R is true.
A is true R is false.
Both A and R is true and R is correct explanation of A C.