The electric field and the electric potential at a point due to a point charge are 16 V/C and 8 J/C respectively. Find the magnitude of the charge and the distance of the point from the charge.
8.89 × 10−10 C, 2m
4.44 × 10−10 C, 2m
8.89 × 10−10 C, 0.5m
4.44 × 10−10 C, 0.5m