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 point charge of magnitude 2μC is moved through a…In a uniform electric field, the magnitude of the…A sound note of frequency 250 Hz and wavelength 1.3m…The diagram above shows the resultant electric field…