Why does the coil of wire in a speaker become attracted to or repelled by the permanent magnet on the back of the speaker?

1 answer:

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The second speaker's cone and coil will vibrate, causing a change in magnetic field on the magnet, which will induce a current along the wire to the first speaker. The current induces a magnetic field on the first coil, which is then attracted and repelled from the magnet, causing the cone to vibrate and produce sound

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When one dog starts sniffing the ground for a potential scrap of food, other dogs' attention may be drawn to that part of the gr

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This is an example of B. Stimulus enhancement.

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It once had people that sacrificed humans.

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Consumers do not view all types of coffee as identical to one another. The available choices range from iced coffee to non-fat l

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3. The Executive Branch has the power to create treaties.

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