A non-conducting sphere of radius R = 5 cm has its center at the origin O of coordinate system as shown in Fig. Its has two spherical cavities of radius r = I cm, whose centers are at (0, 3 cm), (0. -3 cm), respectively, and solid material of the sphere has uniform positive charge density p = 1/л μСm-³. Calculate electric potential at point P (4 cm, 0). y Fig. P -X

A non-conducting sphere of radius R = 5 cm has its center at the origin O of coordinate system as shown in Fig. Its has two spherical cavities of radius r = I cm, whose centers are at (0, 3 cm), (0. -3 cm), respectively, and solid material of the sphere has uniform positive charge density p = 1/л μСm-³. Calculate electric potential at point P (4 cm, 0). y Fig. P -X