Question

Two magnetic poles one of which is 4 times as strong as the other exert a force of 64 mg.wt. When placed 10cm apart in air. Strength of the poles are (g = 10ms?) 1) 3A-m and 12Am 2) 4A-m and 16Am 3) 5Am and 20 Am 4) 6Am and 10 Am​

Answer 1

answer

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