Look at the payload system below! The solid insulator sphere (radius a = 9 cm) is in the center of the hollow conductor sphere (inner radius b = 15 cm and outer radius c = 20 cm). The insulating ball is given a positive charge of 10 C and the conductor ball is given a negative charge of -5C   a. Calculate the electric field r = 5 cm, r = 12 cm, r = 18 cm and r = 15 cm, r is calculated and the center of the sphere b. Calculate the charge on the inner surface of the conducting sphere and on the outer surface of the conducting sphere

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.