A electric current passes through non uniform cross-section wire made of homogeneous and
Channel: Doubtnut
Date: 2020-01-19

A electric current passes through non uniform cross-section wire made of homogeneous and isotropic meterial. If the `j_(A)` and `J_(B)` be the current densities and `E_(A)` and `E_(B)` be the electric field intensities at `A` and `B` respectively, then