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An electron moving in a circular orbit of radius r makes n rotations per second.

An electron moving in a circular orbit of radius r makes n rotations per second. The magnetic field produced at the centre has magnitude

Options

(a) μ₀ne/2πr
(b) zero
(c) μ₀n²e/r
(d) μ₀ne/2r

Correct Answer:

μ₀ne/2r

Explanation:

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