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Problem 5 - Olympiad
A bar magnet is cut into two equal halves along its axis. Which statement is true?
A. Each half loses its magnetism
B. Each half becomes a new bar magnet with half the magnetic moment
C. The poles reverse
D. The magnetism of each half is doubled
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Correct: B
Cutting a magnet along the axis results in two smaller bar magnets. Each retains magnetic poles, but the magnetic moment is halved due to reduced length.