What is the electric potential at a point distance r from a proton of charge q placed in a medium of permittivity εo? by Sunday | Aug 31 | Physics WAEC | 0 comments A. q2/4πεor² B. q/4πεor² C. q²/4πεor D. qr/4πεo E. 4πεoq²r Correct Answer: Option B – q/4πεor² Users Also Read These:A charge 50 µc has electric field strength of 360…A metre rule is pivoted at its mid-point with a…The diagram above shows the resultant electric field…What is the gravitational potential due to a point…What is the image distance of an object placed at a…