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Consider a point charge q located at the point az (see Fig. 1). The point charge is surrounded by a spherical surface of radius R centered at the origin which is cut off at theV2R/2 plane resulting in the open surface shown in Fig. 1 (turnover page). We shall refer to this surface as B (a) Using spherical polar coordinates (r.. o) state the radial component of the electric field E, from q everywhere on B (b) Calculate the electric flux from q out of B by explicitly evaluating the flux integral ) Find the electric flux from through a circular plane sheet with surface normal- (d) Will the electric flux through a surface used to close B at the bottom depend upon its closing the opening at the bottom of B shape? (Explain)

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