A semi infinite line charge of linear charge density has the

Last updated: 6/18/2023

A semi infinite line charge of linear charge density has the shape as shown in the figure Portion ABC forms three fourth of a circle of radius R while the straight portion from C to infinity is parallel to BOA The field at the centre of circle O is A 2 2 ER C zero 2 B 2 ER D None of these B R C 90 A