27. Resistors & DC Circuits
Microscopic View of Current
4:38 minutes
Problem 25.56
Textbook Question
Textbook Question(II) A 5.30-m length of 2.0-mm-diameter wire carries a 750-mA current when 22.0 mV is applied to its ends. If the drift speed is 1.7 x 10⁻⁵ m/s, determine
(b) the resistivity ρ,
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