1 Figure 26-16 shows four situations in which positive and negative charges move horizontally and gives the rate at which each charge moves. Rank the situations according to the effective current through the regions, greatest first. 7 C/s (a) 3 C/s + (b) 4 C/s FIG. 26-16 2 C/s + (c) Question 1 5 C/s 6 C/s + 1 C/s (d)