Magnetism Question 167

Question: The field due to a magnet at a distance R from the centre of the magnet is proportional to

[MP PET 1996]

Options:

A) $ R^{2} $

B) $ R^{3} $

C) $ 1/R^{2} $

D) $ 1/R^{3} $

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Answer:

Correct Answer: D

Solution:

Provided length of magnet is «the distance.