7.13 Magnetic Fields

Magnetic Domains

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

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.

Magnetic Poles

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

Faraday's Law

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