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:The diagram below illustrates an isolated metal…A work of 30 joules is done is transferring 5…It is noon at Point X (longitude 00), while it is…A metre rule is pivoted at its mid-point with a…The diagram above shows the resultant electric field…