O-LevelPhysicsMagnetism5054/11 · May/June 2015 · Q251 Mark
One end of a rod picks up the N-pole of a bar magnet when in position 1. The same end of the rod picks up the S-pole of the bar magnet when in position 2. Which material is the rod made from and what is the pole at end P of the rod when in position 1?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Airon
N-pole
Biron
S-pole
Csteel
N-pole
Dsteel
S-pole
✓ Correct answer
B: iron S-pole
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