An alternating current or voltage________?
Achanges its direction again and again
Bchanges its magnitude continuously and reverses its direction of flow after regularly recurring intervals.
Cvaries in magnitude alone
Dfluctuates off and on
Correct answer
B. changes its magnitude continuously and reverses its direction of flow after regularly recurring intervals.
Explanation
The correct answer is changes its magnitude continuously and reverses its direction of flow after regularly recurring intervals..