How to Recharge a Horseshoe Magnet

Written by joanne cichetti
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How to Recharge a Horseshoe Magnet
(magnet attracting dollar signs image by Steve Johnson from

A horseshoe magnet attracts iron and metal objects. Magnets produce a magnetic field and, over time, may start to lose their strength. There are a few ways you can charge a horseshoe magnet to restore its strength.

Skill level:

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Things you need

  • Horseshoe magnet
  • Electromagnetic charger
  • Paper strips

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  1. 1

    Get an electromagnetic charger. This type of charger is made of metal coils and an iron base. The metal coils produce a magnetic field that is able to transfer magnetic energy to the weak magnet. You can either purchase an electromagnetic charger or a kit from which you can assemble your own magnet charger. These are mostly available at craft supply stores.

  2. 2

    Wrap a few strips of paper around the charger's coils. To induce the magnetic field, connect the wire that is between the coils.

  3. 3

    Place the horseshoe magnet on top of the charger's coils. Make sure the magnet's poles are leaning in opposite directions from the charger's poles; the magnet's north pole should be over the charger's south pole and vice versa.

  4. 4

    Charge the magnet for 1 minute. While it charges, open and close the switch that is between the coils of the charger. Do this three to four times for 4 seconds each.

  5. 5

    Remove the magnet from the charger immediately.

  6. 6

    Disconnect the switch that is between the charger's coils.

  7. 7

    Recharge whenever you find the magnet's strength fading.

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