A Thin Metallic Spherical Shell of Radius 50 Cm Has

A thin metallic spherical shell of radius 50 cm has a total charge of 4.0 µC placed on it. At the center of the shell is placed a point charge of 2.00 µC. What is the electric field at a distance of 90 cm from the center of the spherical shell?

A) 4.4 × 10⁴ N/C outward
B) 2.7 × 10³ N/C inward
C) 6.7 × 10⁴ N/C outward
D) 8.8 × 10⁴ N/C outward
E) 6.7 × 10⁴ N/C inward

Correct Answer:

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