You are given two similar unmarked bars. One of them is a magnet while the other is a magnetic material. Without any other aid, how would you deduce which one of them is a magnet.
(a) By placing the two bars parallel to each other.
(b) By placing the tip of one of the bars near the middle point of the other bar.
(c) By placing the tip of one of the bars near that of other bar such that they are parallel to each other.
(d) By placing the tip of one of the bars near that of other such that they are perpendicular to each other.
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option c
By placing the tip of one of the bars near that of other bar such that they are parallel to each other.
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