A semicircular ring of radius 0.5 m is uniformly charged with a total charge of `1.5 xx 10^(-9)`
Channel: Doubtnut
Date: 26/01/2020

A semicircular ring of radius 0.5 m is uniformly charged with a total charge of `1.5 xx 10^(-9)` coul. The electric potential at the centre of this ring is :