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6
It all depends
on the distance
YOU WILL NEED
→ horseshoe magnet
→ block magnet
→ iron rod
HERE'S HOW
1. Move the iron rod towards the
horseshoe magnet and note how
strongly they stick together.
2. Now pull the rod away, gradually
increase the distance between magnet
and rod, and note the strength of the
magnetic force at different distances.
3. Repeat the experiment with the block
magnet.
What's the difference?
EXPERIMENT 3
1
3
2
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