1 If the resistance in a constant voltage circuit is doubled, the power dissipated by that circuit will a. decrease to one -half b. decrease to one -fourth c. increase by a factor of four. d. increase by a factor of two. 2. As more resistors are added in series to a constant voltage source, the power supplied by the source a. decreases.* b. does not change. increases for a time and then starts to decrease. d. increases. 3. The quantity electric potential difference is denoted by the symbol a. C b. V c. 2 d. A e. PE