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Physics, 01.11.2019 02:31 amberwithnell12512
Acopper wire of 1-m length and 1-mm radius has a resistance of 5.5 × 10 − 3 [ω] and carries a current of 4 [a]. the number of free electrons per unit volume in copper is 8.43 × 10 28 [m − 3 ]. find (a) the current density, (b) the conductivity of the copper, (c) the power dissipated in the wire, (d) the (average) drift velocity of free electrons, and (e) the mobility of free electrons.
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Acopper wire of 1-m length and 1-mm radius has a resistance of 5.5 × 10 − 3 [ω] and carries a curren...
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