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