Computers and Technology, 02.11.2020 17:50 ambinicole66

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

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What causes the poles of the electromagnet in an audio speaker to repeatedly switch directions? A....

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