O-LevelPhysicsMagnetism5054/12 · May/June 2015 · Q311 Mark
A metal ring screens a piece of equipment from a magnetic field. Which metal should be used for the ring, and why?
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.
Acopper, the metal carries the field lines around the equipment
Bcopper, the metal is non-magnetic
Ciron, the metal carries the field lines around the equipment
Diron, the metal is non-magnetic
✓ Correct answer
C: iron, the metal carries the field lines around the equipment
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