A) \[{{E}_{g}}(T)=0.70-2.23\times {{10}^{-4}}T\,eV\]
B) \[{{E}_{g}}(T)=0.70+2.23\times {{10}^{-4}}T\,eV\]
C) \[{{E}_{g}}(T)=1.10-3.60\times {{10}^{-4}}T\,eV\]
D) \[{{E}_{g}}(T)=1.10+3.60\times {{10}^{-4}}T\,eV\]
Correct Answer: D
Solution :
The energy band gap of \[Si=1.1\,eV\] We have, \[{{E}_{g}}(T)=1.1\times {{10}^{4}}+3.60\times {{10}^{-4}}T\] = 1.1 eV So, this equation represents the temperature variation of energy gap between the conduction and valence band for Si.
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