Speaker

In a speaker, an audio signal sends current through a coil, creating a magnetic field in a second magnet. It vibrates a diaphragm, sending sound waves through the air.

To build the wire looping magnet speakers, who rolled up to form the electromagnet; a Post-It note, which acts as a diaphragm; and a rare-earth magnet for registered

• To make this speaker, the things you will need are:

• A long magnet
• Copper wire
• Paper clip
• Audio jack

with this you will note that we built within the copper wire and between the magnet will lirhet sounds that we would rather

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