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‘Germanium diode knee voltage is lower than silicon diode knee voltage.' Justify.

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 ‘Germanium diode knee voltage is lower than silicon diode knee voltage.' Justify.

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Justification: The band gap between conduction and valence band for Germanium (0.66eV) is less as compared to Silicon (1.11eV).Hence less energy is required to start conduction in Germanium diode. 

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