18) A magnet is placed vertically on a paper. Then the
neutral point obtained on the paper is/are
(1) 1
(2) 2
(3) 3
(4) Zero
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Neutral points or null points around a bar magnet are those points at which earth 's magnetic field get cancels out by the magnetic field of bar magnet. A magnet is placed vertically on a paper. Then the number of neutral points obtained on the paper is one and the other one will be out of the paper plane.
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