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A material of resistivity rho is formed ...

A material of resistivity `rho` is formed in the shape of a truncated cone of altitude h. The top end has a radius a while bottom b. Assuming a uniform current density through any circular cross-section of the cone. Find the resistance between the two ends.

A

`(rho)/(2pi)(h)/(ab)`

B

`(2rho)/(pi)(h)/(ab)`

C

`(rho)/(pi)(h)/(ab)`

D

`(rho)/(pi)(h)/((a+b))`

Text Solution

Verified by Experts

The correct Answer is:
C
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