- #1
jheld
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Homework Statement
1.0 * 10^20 electrons flow through a cross section of a 2.0-mm-diameter iron wire in 5.0 s. What is the electron drift speed?
Homework Equations
v_d = e*tao/m * E
i_e = n_e * e * tao * A/m * E
The Attempt at a Solution
I can't seem to get very far. I think that I need to find E, but I'm having no luck actually deriving it.
Any suggestions?