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The effective mass of the conduction electron in Si is 0.31 times the free electron mass. Find the conduction electron density at 300 K,

The effective mass of the conduction electron in Si is 0.31 times the free electron mass. Find the conduction electron density at 300 K, assuming that the Fermi level lies exactly at the centre of the energy band gap (= 1.11 eV). 3/2

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