An amoeba has 3.0E+06 protons and a net charge of -2.0 pC. Calculate the total number of electrons on the amoeba. noneA point charge of 25.9 AC is 25.8 cm distant from a second point charge of 14.3 AC. (a) Calculate the magnitude of the force on each charge. select units (b) Calculate the force on each charge if the distance between them is doubled. select units vCalculate the magnitude of the electric field at a distance of 7.4 m from a 97.0 AC positive charge. select units v