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Charges q, 2q,3q and 4q are placed at th...

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 directon of electric field at the centre of the square is along

A

AB

B

CB

C

AC

D

BD

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B
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DC PANDEY-ELECTROSTATICS-Taking it together
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