An alternating current or voltage – McqOptions

MCQOPTIONS

1.	An alternating current or voltage
A.	Fluctuates off and on
B.	Varies in magnitude alone
C.	Changes its direction again and again
D.	Changes its magnitude harmonically and reverses its direction of flow after regularly recurring intervals.
Answer» D. Changes its magnitude harmonically and reverses its direction of flow after regularly recurring intervals.

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