Make a
Speaker out of Paper
M
In the last two projects we used electricity to create light. Y How about we try to make sound with electricity? Y In this project we’ll see what amazing things happen when we bring electricity and magnets together.
Have you ever wondered how a speaker works? It’s surprisingly simple! The two wires leading into the speaker carry a varying electrical signal to a wire coil, known as the “voice coil.” This signal causes the electrons in the coil to move and create a magnetic field that attracts ...
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