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## Homework Statement

Homogeneous body with the shape of a truncated rotating cone has a base shaped like a

circle. The radius of the lower base is R2 = 8 cm and radius of the upper base is R1 =

4 cm. The height h = 8 cm (see figure). Calculate the total electric

resistance between the base surfaces of the body, when made of a material of

resistivity ρ = 4*10 ^(-2) Ohm*m. Assume that during the transport of electric charge

through the body volume, the current density changes.

## Homework Equations

see the picture

## The Attempt at a Solution

idea:

triple integration..one through the height...and the remaining ones through the radius and the perimeter....but does this take into account the changing of the radius at different heights?

#### Attachments

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