Ask Shorty

Magnets and current

Run current through a coil of wire, and the coil becomes a magnet. Push a magnet into a coil, and the coil makes a voltage. You change the turns and the magnet's speed and watch the compasses and the meter.

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A coil of wire with a bar magnet beside it and compasses around it

What to try

  1. 1On Current makes a magnet, set Switch to On. The coil becomes a magnet, and the compasses turn to follow its field.
  2. 2Set Turns to 200. More turns make a stronger magnet.
  3. 3Pick A magnet makes voltage and set Magnet to In. The meter swings while the magnet moves and goes back to zero when it stops.

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