Calculate the electric potential at the ...

Calculate the electric potential at the center of a square of side `sqrt(2) m`, having charges `100 muc, -50 muC, 20 muc and -60 muC` at the four corners of the square.

A

21.6 N

B

64.8 N

C

0

D

43.2 N

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The correct Answer is:

D

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