Q: What is it called when currents keep reversing direction?


Read this paragraph and choose the correct option from the provided answers:

When current keeps reversing direction, it is called alternating current (AC) . You can see how it works in the two diagrams below. The current that comes from a power plant and supplies electricity to homes and businesses is alternating current. The current changes direction 60 times per second. It happens so quickly that the light bulb doesn’t have a chance to stop glowing when the reversals occur.

 Choices:

- circle current

- emitting current

- stream current

- alternating current


A:
alternating current