A Spherical,non-Conducting Shell of Inner Radius = 10

question 28

Multiple Choice

A spherical,non-conducting shell of inner radius = 10 cm and outer radius = 15 cm carries a total charge Q = 15 μC distributed uniformly throughout the volume of the shell.What is the magnitude of the electric field at a distance r = 12 cm from the center of the shell? (k = 1/4πε₀ = 8.99 × 10⁹ N ∙ m²/C²)

• A)5.75 × N/C
• B)zero
• C)2.87 × N/C
• D)5.75 × N/C
• E)2.87 × N/C

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