339. Find the charged enclosed by a sphere of charge density ρ and radius a. a) ρ (4πa 2 ) b) ρ(4πa 3 /3) c) ρ(2πa 2 ) d) ρ(2πa 3 /3)
339. Find the charged enclosed by a sphere of charge density ρ and radius a. a) ρ (4πa 2 ) b) ρ(4πa 3 /3) c) ρ(2πa 2 ) d) ρ(2πa 3 /3)
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