Question

What is mean by AC current to change direction.does it really changes its direction.
frequency of AC current is 50 Hz,so does it mean that current goes back and forth 50 times in 1 second from generator to us.please clarify this concept.

Answer 1

yes AC current changes it's direction.it moves to and fro.

it's frequency in India is 50 i.e.if we plot it in a graph, it will move upward and downward 50 times a second