Multiple Choice
Electric field of a single point-charge: A metal sphere of radius 10 cm carries a charge of +2.0 μC uniformly distributed over its surface. What is the magnitude of the electric field due to this sphere at a point 5.0 cm outside the sphere's surface? (k = 1/4πε0 = 8.99 × 109 N ∙ m2/C2)
A) 4.0 × 105 N/C
B) 8.0 × 105 N/C
C) 4.2 × 106 N/C
D) 4.0 × 107 N/C
E) 8.0 × 107 N/C
Correct Answer:

Verified
Correct Answer:
Verified
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