Q- Consider the rectangle below BCDE of length 24cm. and width 18cm. Position A is at the center of the rectangle. Point charges q1 = (+) 0.2 µC, q2 = (+) 0.8 µC and q3 = (-) 0.6 µC are placed at the corners B, C and D of the rectangle as shown. Find the magnitude and direction of the electric field at position A.
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