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.
Worksheet for Educators to be used in-class.
Materials Required:
No | Material | Qty | Vendor |
---|---|---|---|
1 | Screw | 1 | Local Hardware |
2 | Copper Coil (32 gauge) | 100 grams | Mumbai: Lohar Chawl |
3 | Battery (9V) | 1 | Local Stationery |
4 | Sand Paper | 1 | |
5 | Tape | 1 | Local Stationery |
6 | Scissors | 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.)
Concepts Explored:
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.
Further External Resources: