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Four point charges qA = 2 µC, qB = –5 µC...

Four point charges qA = 2 µC, qB = –5 µC, qC = 2 µC, and qD = –5 µ C are located at the corners of a square ABCD of side 10 cm. What is the force on a charge of 1 µC placed at the centre of the square?

A

zero

B

`2.545 xx 10^(9) N`

C

`15.91 xx 10^(9)N`

D

`12.72 xx 10^(9)N`

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