A spherical, non-conducting shell of inner radius r= 20 cm and outer radius r2 25 cm carries a total charge Q = 25 µC distributed uniformly throughout the volume of the shell. What is the magnitude of the electric field at a distance r = 22 cm from the center of the shell? (k = 1/4n.co = 8.99 × 109 N - m2/C2) A) zero B) 1.61 × 103 N/C C) 3.23 x 106 NC D) 3.23 x 103 N/C E) 1.61 x 106 N/C

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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.