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A long cylindrical conductor of radius R...

A long cylindrical conductor of radius R having a cylindrical cavity of radius R/2 through out its length is lying with its axis parallel to x-axis. The distance between the axes of the cylinder and the cavity length in the positive x direction. The across sectional view of the cylinder is shown in the figure

The magnetic induction at point on the cavity is

A

`(mu_(0)I)/(3 pi R) (- hat(l))`

B

`(mu_(0) i)/(3 pi R) (hat(k))`

C

`(mu_(0) i)/(6 pi R) (hat(j))`

D

`(mu_(0) I)/(6 pi R) (- hat(j))`

Text Solution

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The correct Answer is:
B
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