The force between two electric charges is expressed by the equation: $F=\frac{kq_1q_2}{r^2}$ Which of the following is a correct statement?

The equation applies to point charges k is Boltzmann's constant r is the radius of the spheres on which the two charges are placed The equation can only be applied to uniform electric fields

The equation applies to point charges

The correct answer is Option (1) → The equation applies to point charges