A long cable is constructed of a solid conductor of radius r

Last updated: 6/12/2023

A long cable is constructed of a solid conductor of radius r in a co axial hollow cylindrical conductor inner and outer radii R and R respectively Io current flows in both the conductors in opposite directions The magnetic field B at a distance x from the axis of the cable is Answer A B C D Your Attempt B B B olo 2 X Holo 2 T Correct answer when r x R when x r Holo R2 x 2 x R R when R x R2 B 0 when x R Rate this quest