Question
Two tiny spheres carrying charges $1.8 \mu \mathrm{C}$ and $2.8 \mu \mathrm{C}$ are located at $40 \mathrm{~cm}$ apart. The potential at the mid - point of the line joining the two charges is
Two tiny spheres carrying charges $1.8 \mu \mathrm{C}$ and $2.8 \mu \mathrm{C}$ are located at $40 \mathrm{~cm}$ apart. The potential at the mid - point of the line joining the two charges is