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A coaxial cable is made up of two conduc...

A coaxial cable is made up of two conductors. The inner conductor is solid is of radius `R_(1)` and the outer coductor is hollow of inner radius `R_(2)` and outer radius `R_(3)` . The space between the conductors are carrying currents of equal magnitudes and in oppsite direactions. then the variation of magnetic field with distance form the axis is best plotted as :

A

`7//2`

B

`3//2`

C

`12//7`

D

`7//12`

Text Solution

Verified by Experts

The correct Answer is:
C
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