A metal has 5.89 x 1022 conduction electron per cubic meter then its Fermi energy is (h-bar)=1.05x10-34 J.S, me =9.11 x 10 31 kg) Select one: O a. 3 *10-20 J O b. 10.26*10-20 J O c. 8.84*10-19 J O d. 7*10-19 J
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