Two charges of q, = 1.1 µC and q, = -2.2 µC are d = 0.62 m apart at two vertices of an equilateral triangle as in the figure below. PA (a) What is the electric potential due to the 1.1-µC charge at the third vertex, point P? (b) What is the electric potential due to the –2.2-µC charge at P? V (c) Find the total electric potential at P. V

As shown in the given figures, three point-chargesdistribution where, Q = ab nC, and d = 4.00 cm. Find(a) the electric potential at A,(b) the electric potential at B, and(c) the direction of the electric field between A and B.

Consider a point charge q = 1.4 µC, point A at distance d₁ = 3.0 m from q, and point B at distance d₂ 1.0 m. (a) If A and B are diametrically opposite each other, as in Figure (a), what is the electric potential difference VÀ - VB? (b) What is that electric potential difference if A and B are located as in Figure (b)? = B (a) Number ∙dy (b) Number i B d₁ Units V Units V

Three charged balls, with charges of +q, -3q, and +2q, are placed at the corners of a square that measures L = 80.0 cm on each side, as shown in the figure. The value of q is 2.90 × 10-6 C. Assume that the potential an infinite distance from the charges is zero. +q -39 +2q Enter a number. L (a) What is the electric potential at the lower left corner of the square, due to the three charges? V ..(b)..What is the electric potential at the center of the square, due to the three charges? X V