7. In the figure below, if the charge on the rod were positive, what effect, if any, would this have on the final result? a. The left sphere would still be positive and the right sphere would still be negative, but there would be more total charge on each. b. It would have no effect. c. The left sphere would be negatively charged and the right sphere would be positively charged, with the same amount of charge as in the original picture 0. d. The left sphere would still be positive and the right sphere would still be negative, but there would be less total charge on each