In the diagram, q1 is 2.40 nC , q2 is 5.50 nC , q3 is 6.00 nC , and q4 is 2.90 n

Question

In the diagram, q1 is 2.40 nC, q2 is 5.50 nC, q3 is 6.00 nC, and q4 is 2.90 nC. The distance d is 8.00 mm. Find the potential at point A in the diagram, at the center of the square. Assume that V = 0 at infinity.
Find the potential at B.

Find the potential at C.

In the diagram, q1 is 2.40 nC, q2 is 5.50 nC, q3 is 6.00 nC, and q4 is 2.90 nC. The distance d is 8.00 mm. Find the potential at point A in the diagram, at the center of the square. Assume that V = 0 at infinity. Find the potential at B. Find the potential at C.

Explanation / Answer

at center, r = sqrt(2)*d/2 = 5.66 mm = 5.66*10^-3 m

at center, V = v1+V2+V3+V4 = k*(q1/r + q2/r + q3/r + q4/r) = 2.67*10^4 volts

for points B and C figure is needed

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