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CURRENT ELECTRICITY
Question #81460
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Question
What is the number density of free electrons in copper as given?
A. 8.5 × 10²⁸ m⁻³
B. 6.0 × 10²³ m⁻³
C. 2.0 × 10²⁸ m⁻³
D. 1.6 × 10¹⁹ m⁻³
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