Energy meters use induction principle ___

Assertion ( A ): Energy meters use induction principle.

Reason ( R ): Induction wattmeter is less accurate than a dynamometer wattmeter.

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

Show Answer

Answer: B

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