An electromagnet is a temporary magnet in which the magnetic field is produced by an electric current. When the current is turned off, the magnetic field disappears.
|2||Copper Coil (32 gauge)||100 grams||Mumbai: Lohar Chawl|
|3||Battery (9V)||1||Local Stationery|
Steps to make:
- Take a screw and wound the copper coil around it as tightly as possible.
- Use sandpaper to remove the insulation from both ends of the copper wire.
- Connect the two ends of the copper wire to the two ends of the battery.
- Test it out (WARNING: The battery can become very hot. Please take precaution.)
Reasons why the Electromagnet may not work:
- The copper coil does not have enough turns.
- The insulation on the ends of the copper coil has not be properly removed.
- The battery might be drained out.
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