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Find an expression for the electric potential V(s,φ) due to infinite line charge λ parrallel to...

Find an expression for the electric potential V(s,φ) due to infinite line charge λ parrallel to the z axis located in the (x,y) plane at (d,0). Take v = 0 at s = 0 . (b) show that your expression obeys the 2-d laplace equation in polar coordinates in the (x,y) plane. C) Show that V(s,φ) obeys the averaging principle for harmonic functions by computing its average value on a cirlce of radius s = R < d

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