Two identical short bar magnets at a distance `d_(1) = 2 m ` apart are placed with their magnetic moment parallel to each other . Now keeping same direction of magnetic moment they are placed at `d_(2) = 3` m apart . By which factor force between them changes ?A. `(F_(1))/(F_(2)) = (81)/(16)`B. `(F_(1))/(F_(2))= (16)/(81)`C. `(9)/(8)`D. `(8)/(9)`

Two identical short bar magnets at a distance `d_(1) = 2 m ` apart are

1.	Two identical short bar magnets at a distance `d_(1) = 2 m ` apart are placed with their magnetic moment parallel to each other . Now keeping same direction of magnetic moment they are placed at `d_(2) = 3` m apart . By which factor force between them changes ?A. `(F_(1))/(F_(2)) = (81)/(16)`B. `(F_(1))/(F_(2))= (16)/(81)`C. `(9)/(8)`D. `(8)/(9)`
Answer» Correct Answer - A

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