6. Four identical point charges (+ 2.50 nC) are placed at the corners of a rectangle which measures 2.00 m x 4.00 m. If the electric potential is taken to be zero at infinity, what is the potential at the geometric center of this rectangle?
Added by Michael G.
Step 1
The rectangle is 2.00 m x 4.00 m, so the center is 1.00 m from the short sides and 2.00 m from the long sides. Using the Pythagorean theorem, we find that the distance from each charge to the center is sqrt((1.00 m)^2 + (2.00 m)^2) = sqrt(5.00 m^2) = 2.24 m. Show more…
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