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Physics
The electric potential at the origin of an xy-coordinate system is 40 V. A -8.0-μC charge is brought from x = +∞ to that point. What is the electric potential energy of this charge at the origin?
Answer A) 8.0 μJ B) 40 μJ C) -3.2 × 10-4 J D) -40 μJ E) 3.2 × 10-4 J |
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