A switching electric field makes a bell ring!

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Read more: Franklin's Bells

You can bend a beam of electrons with an applied magnetic field to make a great demonstration of the Lorentz Force.

Read more: Bending an Electron Beam with Magnets

Illustrate magnetic field lines with iron filings suspended in a thick liquid.

Read more: 3D Magnetic Field Lines

This simple demonstration shows a strong magnet can cause current to flow in a coil of wire.

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