Question

PLEASE ANSWER FAST, WILL GIVE BRAINLIEST AND 20 POINTS
What causes the poles of the electromagnet in an audio speaker to repeatedly switch directions?

A. a metal striker that pulls on the magnet
B. a diaphragm that vibrates around the magnet
C. a current that rapidly switches direction
D. a device that opens and closes a circuit

Answer 1

Answer:

I'm guessing C

Explanation:

It just makes the most sense to me, but please don't be really confident with it, I'm in 6th grade. I'm really sorry if I'm incorrect.

Answer 2

Answer:

C. a current that rapidly switches direction

Explanation: