A Thin Metallic Shell of Radius 40 Cm Has a Charge

question 55

Multiple Choice

A thin metallic shell of radius 40 cm has a charge of −25 nC on it. At the center of the sphere is a point charge of 35 nC. What is the electric field 15 cm from the center of the shell?

• A) 2.4 × 10⁴ N/C inward
• B) 1.4 × 10⁴ N/C inward
• C) 2.4 × 10⁴ N/C outward
• D) 1.4 × 10⁴ N/C outward
• E) 4.0 × 10⁴ N/C outward

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