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27-02-2024
Physics

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A sphere has a volume charge density of 3.20 nC/m³. If the sphere's radius increases by a factor of 2 (but the total charge stays the same) , what is the new volume charge density?
a) 0.80 nC/m³
b) 1.60 nC/m³
c) 3.20 nC/m³
d) 6.40 nC/m³

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