Potential of Point-Charges: Two +6.0-µC charges are placed at two of the vertices of an equilateral triangle having sides 2.0 m long. What is the electric potential at the third vertex, relative to infinity, due to these charges? (k = 1/4??0 = 9.0 × 109 N ? m2/C2)
A. 54 kV
B. 108 V
C. 0 V
D. 90 kV
E. 27 kV
Answer: A
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