A cylindrical solid of length L and radius a is connected across a source of emf V and negligible
Channel: Doubtnut
Date: 2021-11-08

A cylindrical solid of length L and radius a is connected across a source of emf V and negligible internal resistance shown in figure. The resistivity of the rod at point P at a distance x from left end is given by `rho=bx` (where b is a positive constant). Find the electric field at point P.