In a lossless medium with ɛ, = 81 and µ. plane as shown in figure. If Q1 = 4 µC , Q2 = 4 µC , Q3 = 20 mC, Pq = (-2 m, 0,0), P2 = (0, –2 m, 0), P3 = (0,0,0), define R1, R2, and find E at P3 and F at the origin. = 3, three point charges are located in the x - y %3D
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