Two small spheres spaced 20.0 cm apart have equal charge. part a how many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 3.33×10−21 n?
Two small spheres spaced 20.0 cm apart have equal charge. part a how many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 3.33×10−21 n?