9 :- Magnetic strength of a magnet is
(a) concentrated in the center of the magnet
(b) concentrated at one of the poles of the magnet
(c) Concentrated at both the poles of the magnet
(d) Distributed uniformely thoughtout the magnet
Q. 10 :- One of these is not a property of the magnet
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Repulsion is the surest test of magnetism. Because a magnet can attract a magnet as well as another magnetic substance but it can only repel a magnet, not any magnetic substance. Hence, if one end of iron bar is repelled by the north pole of a bar magnet then it's surely a magnet.
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