1.

An electron moving in a circular orbit of radius r makes n rotations per second. The magnetic field produced at the centre has magnitude(a) zero(b) μ0ne/2πr(c) μ0ne/2r(b) μ0n2e/2r

Answer»

Correct Answer is: (c) μ0ne/2r

The charge flowing past any point on the orbital path per second is ne. This is the equivalent orbital current.



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