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Magnetic induction produced at the centre of a circular loop carrying current is B.

Magnetic induction produced at the centre of a circular loop carrying current is B. The magnetic moment of the loop of radius R is (where, μ₀=permiability of free space)

Options

(a) BR²/2πμ₀
(b) 2πBR³/μ₀
(c) BR²/2πμ₀
(d) 2πBR²/μ₀

Correct Answer:

2πBR³/μ₀

Explanation:

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