Question

1. A point charge +Q is located at the origin, and a point charge -Q is located at (x,y) = (0,L).

(a) Find the electric field at point P, which is a distance L away from both +Q and -Q, as shown in the diagram. Express your answer in unit vector notation using the coordinate system given.

(b) A point charge -2Q is placed at point P. Find the Coulomb force on the charge -2Q due to the other two charges. Express your answer in unit vector notation using the coordinate system given.

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Answer #1

F-vom 1ne diag yen) tX 2 Force omlatet at p

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