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A spherical shell of radius R = 8.0 cm has a total charge Q = - 900nC uniformly distributed on its surface. the center of the sphere is at the origin. An infinitely long line of charge with linear charge density\(\lambda= 6x10^-6 C/m\)is placed paralled to the y axis and 10 cm from the origin, as shown. consider a point P on the x axis at x = 20 cm
a) Find the magnitude of the net electric field at point P due to the spherical shell and the line of charge.
b) Write the net electric field at the point P in unit vector notation
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