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LQ38 - Name_ Date_ PHYS 360 Lecture...

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Unformatted text preview: Name:__________________________________________ Date:__________________________ PHYS 360 Lecture Question #38 We show (Problem 5.16) that the “free” electrons in copper have a Fermi energy of 7 electron volts (7 eV). A gas of free particles that have this amount of kinetic energy would have a very high temperature: 2 1 3 2 mv = 2 k BT T ≈ 80, 000 K 1. This means the conduction electrons in copper are very hot. True False 2. This means we can treat the electrons in copper as if they are very cold. True False 3. This means the electrons aren’t really free. True False 4. We encounter this mess because free gas particles don’t have to obey the Pauli Exclusion principle. True False ...
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