Q:Answer the following question given this paragraph: 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. Q: What is it called when currents keep reversing direction? Choices: - circle current - emitting current - stream current - alternating current A:
A:
alternating current