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An infinitely long hollow conducting cyl...

An infinitely long hollow conducting cylinder with inner radius `(R)/(2)` and outer radius `R` carries a uniform current density along its length . The magnitude of the magnetic field , ` | vec(B)|` as a function of the radial distance `r` from the axis is best represented by

A

B

C

D

Text Solution

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The correct Answer is:
D
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