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Give reasons. (a) A magnetic needle comes to rest in the north-south position. (b) A magnetic needle is used in a mariner’s compass. (c) If a bar magnet is suspended vertically it does not hang in the north-south direction. (d) Repulsion rather than attraction is the test for identifying a magnet. |
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Answer» Give reasons. (a) A magnetic needle comes to rest in the north-south position. (b) A magnetic needle is used in a mariner’s compass. (c) If a bar magnet is suspended vertically it does not hang in the north-south direction. (d) Repulsion rather than attraction is the test for identifying a magnet. |
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