Potential of Point-Charges: Four point charges of magnitude 6.00 ?C and are at the corners of a square 2.00 m on each side. Two of the charges are positive, and two are negative. What is the electric potential at the center of this square, relative to infinity, due to these charges? (k = 1/4??0 = 8.99 × 109 N ? m2/C2)
A. 76.4 kV
B. 0 V
C. 153 kV
D. 61.0 kV
E. 306 kV
Answer: B
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