4 points The figure shows four situations in which positive and negative charges move horizontally and gives the rate at which each charge moves. In which situation is the magnitude of the effective current the smallest? 6 C/s 1 C/s 5 C/s 7 C/s + 3 C/s 4 C/s 2 C/s (a) (b) (c) (d) situation a O situation d We cannot answer this question without more information. situation b O situation c Previous Next