Multiple Choice
A sphere of radius 8.0 cm carries a uniform volume charge density ρ= 500 nC/m3. What is the electric field at r = 7.9 cm?
A) 16 N/C
B) 3.3 N/C
C) 60 N/C
D) 9.5 N/C
E) 1.5 kN/C
Correct Answer:
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