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1. |
Find the charged enclosed by a sphere of charge density ρ and radius a. |
A. | ρ (4πa2) |
B. | ρ(4πa3/3) |
C. | ρ(2πa2) |
D. | ρ(2πa3/3) |
Answer» C. ρ(2πa2) | |