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Introduction: Point Charges, Electric Potential, Mastering Physics

More Details: Point charges q1 = +2.00 muC and q2 = -2.00 muC are placed at adjacent corners of a square for which the length of each side is 1.00 cm. Point a is at the center

of the square, and point b is at the empty corner closest to q2. Take the electric potential to be zero at a distance far from both charges.

Question A) What is the electric potential at point a due to q1 and q2?

Question B) What is the electric potential at point b?

Question C) A point charge q3 = -4.00 moves from point a to point b. How much work is done on q3 by the electric forces exerted by q1 and q2?

More Details: Point charges q1 = +2.00 muC and q2 = -2.00 muC are placed at adjacent corners of a square for which the length of each side is 1.00 cm. Point a is at the center

of the square, and point b is at the empty corner closest to q2. Take the electric potential to be zero at a distance far from both charges.

Question A) What is the electric potential at point a due to q1 and q2?

Question B) What is the electric potential at point b?

Question C) A point charge q3 = -4.00 moves from point a to point b. How much work is done on q3 by the electric forces exerted by q1 and q2?

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