Assertion : Power factor `("True power")/("Apparent power")`
`i.e.osphi=(VIcosphi)/(VI)`
Reason : Alternator works on the principle of mutual induction

Options

A. Assertion and Reasin are correct and Reason is the correct explanation of Assertion.
B. Assertion and Reason are true but Reason is the false explanation of the Assertion.
C. Assertion is true but Reason is False.
D. Assertion is false but Reason is True.

Answer

A, B