Charge of uniform surface density (4.0 nC/m2) is distributed on a spherical surface (radius = 2.0 cm). What is the total electric flux through a concentric spherical surface with a radius of 4.0 cm?
A. 2.8 N ? m2/C
B. 1.7 N ? m2/C
C. 2.3 N ? m2/C
D. 4.0 N ? m2/C
E. 9.1 N ? m2/C
Answer: C
Physics & Space Science
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