Physics · Electrostatic Potential and Capacitance
A non-conducting sphere of radius R = 5 cm has its center at the origin O. It has two spherical cavities of radius r = 1 cm, whose centers are at (0, 3 cm) and (0, -3 cm) respectively. If the solid material of the sphere has a uniform positive charge density ρ = 1π μC/m3, compute the electric potential at point P (4 cm, 0).
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