In spherical system with sphere of radius R the electric field intensity E̅ is expressed as:
1
\(E = \frac{Q}{{2\pi {\varepsilon _o}{R^2}}}{a_R}\)
2
\(E = \frac{2Q}{{4\pi {\varepsilon _o}{R^2}}}{a_R}\)
3
\(E = \frac{Q}{{4\pi {\varepsilon _o}{R^2}}}{a_R}\)
4
\(E = \frac{2Q}{{2\pi {\varepsilon _o}{R^2}}}{a_R}\)