Il eparate sheet of paper. 1) Four point charges of varying magnitude and sign are arranged on the corners of the square of side d as shown in the figure. If an electron is held at the center of the squire initially. Express your answer using k, Q and d a) what is the magnitude of the net electric field at the center of the square? b) Which one of the arrows shown represents the net electric field the center of the square? c) what is the magnitude of the net force acting on the electron at the center of the square? d) Which one of the arrows shown represents the net force acting on the electron at the center of the square? d. +2Q A d D B +20 d

Il eparate sheet of paper. 1) Four point charges of varying magnitude and sign are arranged on the corners of the square of side d as shown in the figure. If an electron is held at the center of the squire initially. Express your answer using k, Q and d a) what is the magnitude of the net electric field at the center of the square? b) Which one of the arrows shown represents the net electric field the center of the square? c) what is the magnitude of the net force acting on the electron at the center of the square? d) Which one of the arrows shown represents the net force acting on the electron at the center of the square? d. +2Q A d D B +20 d