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  • Car Speakers: How Electrical Signals Create Sound
    The device in a car that transfers electrical energy into sound energy is the speaker.

    Here's how it works:

    * Electrical Signal: The car's audio system sends an electrical signal to the speaker.

    * Electromagnet: The electrical signal causes an electromagnet inside the speaker to move.

    * Cone: The moving electromagnet pushes and pulls on a cone (usually made of paper or plastic).

    * Sound Waves: The cone vibrates, creating sound waves that travel through the air and reach your ears.

    So, the speaker is essentially a transducer that converts electrical energy into mechanical vibrations, which then become sound waves.

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