A thin straight rod of length  `2a` carrying a uniformly distributed charge `q` is located in vacumm
Channel: Doubtnut
Date: 30/08/2020

A thin straight rod of length  `2a` carrying a uniformly distributed charge `q` is located in vacumm. Find the magnitude of the electric field strength as a function of the distatance `r` from the rod's centre along  the streaight line  (a) perpendicular to the rod  and passing through its  centre ,  (b) coinciding with the rod's direction (at the point  lying outside the rod).