Charges q, 2q, 3q and 4q are placed at the corners A, B, C and D of a square as shown in the following figure. The direction of electric field at the centre of the square is along [MP PMT 2004

Charges q, 2q, 3q and 4q are placed at the corners A, B, C and D of a

1.	Charges q, 2q, 3q and 4q are placed at the corners A, B, C and D of a square as shown in the following figure. The direction of electric field at the centre of the square is along [MP PMT 2004
A.	AB
B.	CB
C.	\[qEa\sqrt{2}\]
D.	AC
Answer» C. \[qEa\sqrt{2}\]

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Charges q, 2q, 3q and 4q are placed at the corners A, B, C and D of a square as shown in the following figure. The direction of electric field at the centre of the square is along [MP PMT 2004

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