How do(a) the pole strength and(b) the magnetic moment of each part of a bar magnet change ,if it is cut into tow equal parts along it's length?
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if it is cut along its length the pole strength is half and as the pole strength is half the magnetic moment is also half
as magnetic moment=q×(2l)
q is the pole strength
as magnetic moment=q×(2l)
q is the pole strength
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