O-LevelPhysicsMagnetism5054/11 · May/June 2010 · Q321 Mark
A long flexible wire is wrapped round two wooden pegs. A large current is passed in the direction shown. Which two pairs of lengths of wire attract each other?
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AJ and K K and M
BJ and K L and M
CJ and L K and M
DJ and L L and M
✓ Correct answer
B: J and K L and M
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