two magnetic poles one of which is three times the other exerted on each other ,a force of 3*10^-3N ,when separated by a distance of 10 cm.The strength of each pole is
tirumalsettymadhu:
OPTIONS :A)5 Am,15 Am
B)30 Am,10 Am
C)20 Am,60 Am
D)50 Am, 150 Am
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If a magnet of pole strength m is divided into four parts such that the length and width of each part is ... question_answer8) The distance of two points on the axis of a magnet from its centre is 10 cm and 20 cm respectively.
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