Always use gloves when you begin experimenting with your magnet. Wires can get hot when in use. You want to make sure you do not burn your hands when handling your electromagnet. This is especially vital if you're working on strengthening your magnet. Electromagnets get hot as their strength increases., As stated, electromagnets get hot when you increase their strength by wrapping the wire tighter. If the device becomes very hot, you might want to disconnect the wires to deactivate the magnet for a bit. Excessive heat can cause burns and, in rare cases, may be a fire hazard., You should not leave an electromagnet plugged in for long when it's not in use. For one, the battery can drain the magnet swiftly. Also, once again, heat is a concern. Once you're done playing with your magnet, disassemble it.
Use gloves when handling your magnet.
Be conscious of heat.
Disconnect the wires when you're done with your magnet.
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