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

• A.  A is true R is false.
• B.  Both A and R is true and R is not correct explanation of A.
• C.  Both A and R is true and R is correct explanation of A C.
• D.  A is false R is true.

Answer: (A)