Two charges are rigidly attached to the x-axis. A 3 µC charge is at the origin and a −5 µC charge is placed at x = 40 cm. Find where a third charge must be placed so that the net force it experiences is zero

Current supplied to consumers from generating plants like coal power plant, nuclear power plant, geothermal and others are in form of alternating current instead of direct current because it can be transported easily in a long distance. also, the alternating current has a wide range of frequency and the amount or energy can be increased or decreased.