Along the x-axis the electric potential has the values 12 V at x = 0 cm, 4 V at x = 2 cm, and 1 V at x = 5 cm. Over which segment is the magnitude of the average electric field greatest?
a) 2 cm to 5 cm
b) 0 cm to 2 cm
c) 0 cm to 5 cm
d) The magnitudes are the same over the segments shown