The relation between geometrical length (Lg) of a magnet and its magnetic length (Lm) is -

(A) Lm = 5/6 Lg

(B) Lm = 6/5 Lg

(C) Lm = Lg

(D) Lm = 2Lg

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1 Answers

Correct answer is (A) Lm = 5/6 Lg

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