Point charges of are situated at each of the three corners of a square whose side is 15cm. The magnitude and direction of electric field at the vacant corner of the square is ___.
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Three identical point charges q are placed at each of three corners of a square of side L. Find the magnitude and direction of the net force on a point charge -3q placed (a) at the center of the square and (b) at the vacant corner of the square.
Three charges are placed on three corners of a square as shown. Find the magnitude and direction of the electric field E at the forth corner.
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.
