Three point charges with values q 1 = 4.00nC , q 2 = 1.00nC , and q 3 = 7.00nC a

Question

Three point charges with values q1 = 4.00nC , q2 = 1.00nC , and q3 = 7.00nC are placed on three consecutive corners of a square whose side measures s = 5.00m . Point A lies at the fourth corner of the square, diagonally across from q2. Point B lies at the center of the square. What are the values of the electric potential at point A and at point B? How much energy (supplied as work) is required to move a test charge q4 = 2.00nC from point A to point B? Assume the zero of electric potential is chosen to be at infinity.

What is the electric potential at point A?

Explanation / Answer

q? = 4 nC = 4

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