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On doping germanium with donor atoms of density 10^17 cm^–3 its conductivity in mho/cm will be

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On doping germanium with donor atoms of density 1017 cm–3 its conductivity in mho/cm will be [Given : μe = 3800 cm2 /V–s and ni = 2.5 x 1013 cm–13]

(a) 30.4 

(b) 60.8 

(c) 91.2 

(d) 121.6

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Correct option (b) 60.8

Explanation:

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