1.

Force between two identical short bar magnets whose centre are r metre apart is 4.8N when their axes are in the same line .If the separation is increased to 2r metre the force between them is reduced to

Answer» Force between two identical short bar magnets whose centre are r metre apart is 4.8N when their axes are in the same line .If the separation is increased to 2r metre the force between them is reduced to


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