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B Around a Permanent Magnet |
Description: |
Demonstrate B around a permanent magnet (bar or cylindrical) using iron filings. |
Notes: |
You can show B around a permanent bar magnet using iron filings sprinkled on a piece of cardboard or paper. This can also be demonstrated on an overhead projector using a container that has iron filings suspended in silicon oil. |
Location: |
LDL-D4: Container of iron filings
LDL-D4: Bar Magnets (1)
LDL-D4: Iron filings in container of silicon oil
LDL-D4: Cylindrical magnets (2)
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Images: |
The container at left contains iron filings. Sprinkle liberally around bar magnet |
Clear container with iron filings suspended in silicon and two cylindrical magnets.
Place container on overhead projector, and insert magnet(s) |
1 magnet within container |
2 magnets within container |