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Two Equal Point Charges of Magnitude 4

Question 31

Multiple Choice

Two equal point charges of magnitude 4.0 μC are situated along the x-axis at x1 = -2.0 m and x2 = -2.0 m. What is the electric potential energy of this system of charges?


A) -36 mJ
B) 36 mJ
C) 0 J
D) -72 mJ
E) 72 mJ

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