Potential of Point-Charges: A +4.0-?C and a -4.0-?C point charge are placed as shown in the figure. What is the potential difference between points A and B? (k = 1/4??0 = 9.0 × 109 N ? m2/C2)
A. 48 V
B. 96 V
C. 0 V
D. 96 kV
E. 48 kV
Answer: D
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