A long thin hollow metallic cylinder of radius 'R' has a current i ampere. The magnetic induction 'B'-away from the axis at a distance r from the axis varies as shown in

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Solution

The correct option is A

Magnetic field inside the hollow metallic cylinder $B_{i n} = 0$ , and magnetic field outside it $B_{o u t} \infty \frac{1}{r}$

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A long thin hollow metallic cylinder of radius 'R' has a current i ampere. The magnetic induction 'B'-away from the axis at a distance r from the axis varies as shown in

The correct option is A Magnetic field inside the hollow metallic cylinder Bin=0, and magnetic field outside it Bout∞1r

The correct option is A

Magnetic field inside the hollow metallic cylinder $B_{i n} = 0$ , and magnetic field outside it $B_{o u t} \infty \frac{1}{r}$