Question 2 1 / 1 pts A very large plate with a uniform surface charge density of 4.0 nC/m2 is at the yz plane. Find the magnitude of the potential difference between two points A and B on the x axis, with XA = 1.0 m and XB = 3.0 m. Correct! O 450 V 680 V 280 V O 900 V O 110 V