Electrostatic force: F = \(\frac{1}{4\pi \epsilon_0}\,\frac{q_1 q_2}{r^2}\)
Electric field: E : \(\frac{1}{4\pi \epsilon_0}\,\frac{q}{r^2}\)
The coulomb force (F) between two charges and electric field (E) due to a charge both follow the inverse square law.
(F ∝ 1/r2, E ∝ 1/r2)
