A Silver Wire Has a Cross Sectional Area a =

question 18

Multiple Choice

A silver wire has a cross sectional area A = 2.0 mm².A total of 9.4 × 10¹⁸ electrons pass through the wire in 3.0 s.The conduction electron density in silver is 5.8 × 10²⁸ electrons/m³ and e = 1.60 × 10^-19 C.What is the drift velocity of these electrons?

• A)2.7 × 10^-5 m/s
• B)9.1 × 10^-5 m/s
• C)5.2 × 10^-5 m/s
• D)1.1 × 10^-5 m/s
• E)7.4 × 10^-5 m/s

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The present worth of a future sum of money or series of cash flows, considering a given return rate.

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