Point charges +4.00 μC and +2.00 μC are placed at the opposite corners of a rectangle as shown in the figure. What is the potential difference VA - VB? (k = 1/4πε0 = 8.99 × 109 N ∙ m2/C2) 
A) +203 kV
B) -203 kV
C) -22.5 kV
D) +22.5 kV
E) 0.00 kV
Correct Answer:
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