Question

A current of I ampere flows along an infinitely long straight thin walled hollow metallic cylinder of radius r. The magnetic field at any point inside the cylinder at a distance x from the axis of the cylinder is(a) ∞(b) $\frac{\mu_{0}I}{2\pi r}$(c) $\frac{\mu_{0}I}{2\pi x}$(d) zero

Answer 1

HERE IS YOUR ANSWER :-

Option No. D

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