Question

Fermi energy of Cu is 7.04 ev.what percentage of free electrons in Cu at 25 ° C​

Answer 1

Answer:

So the energy given to an electron by the electric field by 100 volts applied to a 1 meter copper wire would be on the order of W=eEd = 100 volts x 40 nm = 0.000004 eV.

Explanation:

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