Final answer:
A speaker converts electrical signals into sound using a temporary magnet (voice coil), permanent magnet, cone, and electrical signal.
Explanation:
A speaker works by converting an electrical signal into sound using several components:
- Permanent magnet: Provides a constant magnetic field.
- Temporary magnet (voice coil): Becomes magnetized temporarily when an electrical current flows through it.
- Cone: Attached to the voice coil, it vibrates based on the oscillating force produced by the current.
- Electrical signal: Flows through the voice coil, creating a magnetic field that interacts with the permanent magnet, causing the cone to vibrate and produce sound waves.
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