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Physics, 03.02.2020 23:49 greenhappypiggies
Four point charges are individually brought from infinity and placed at the corners of a square. each charge has the identical value +q. the length of the diagonal of the square is 2a. what is the electric potential at p, the center of the square?
a. kq/4a
b. kq/a
c. zero volts
d. 2kq/a
e. 4kq /a
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