Three charged particles are arranged on the corners of a square as shown in the figure. What is the direction of the electric field at the upper right corner, which is a point in an empty space?
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Three charged particles are arranged on the corners of a square as shown in the figure with charge -Q on both the particles at the upper left corner and the particle at the lower right corner and with charge +2Q on the particle at the left corner. What is the direction of the electric field at the upper right corner which is a point in empty space?
(a) It is upward and to the right.
(b) It is straight to the right.
(c) It is straight downward.
(d) It is downwards and to the left.
(e) It is perpendicular to the plane of the picture and outward.
Three charges are placed on three corners of a square as shown in the figure. Find the magnitude and direction of the electric field E at the forth corner.
Three point charges are arranged at the corners of a square ofside L as shown in the above figure. What is the potential at thefourth corner (point A), taking V=0 at a great distance?
