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| 1. |
force between two identical short bar magnets whose centers are r metres apart is 4.8 Newton when their axis are in the same line if the seperation is increased to 2r metre the force between them is reduced to |
| Answer» force between two identical short bar magnets whose centers are r metres apart is 4.8 Newton when their axis are in the same line if the seperation is increased to 2r metre the force between them is reduced to | |