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Solution: A 4.0-μC charge is situated at the origin of an xy-coordinat...

Question

A 4.0-μC charge is situated at the origin of an xy-coordinate system. What is the potential difference between a point x = 4.0 m and y = -4.0 m because of this charge?

A) -18×103 V

B) 18×103 V

C) 0 V

D) 36×103 V