7.13 Magnetic Fields

Magnetic Domains

Within a permanent magnet, the magnetic domains are aligned. Duration: 0:50.

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Electromagnetic Induction

A demonstration of how a current carrying wire is deflected by a magnet and how this is the underlying principle behind any electric motor. Duration: 2:30.

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Magnetic Poles

The magnetic field of a magnet is revealed with iron filings. Duration: 0:25.

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Faraday's Law

One can induce voltage by moving a wire in and out of a magnetic field. Duration: 5:31.

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