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The relation between number of free electrons \mathrm{(n)} is a semiconductor and temperature \mathrm{(T)} is given by
 

Option: 1

\mathrm{n \propto T}\mathrm{n \propto T}
 


Option: 2

\mathrm{n \propto T^2}
 


Option: 3

\mathrm{n \propto \sqrt{T}}
 


Option: 4

\mathrm{n \propto T^{3 / 2}}


Answers (1)

best_answer

For semiconductor, \mathrm{n=A T^{3 / 2} e^{-E_{\mathrm{g}} / 2 k T};}

So,\mathrm{ n \propto T^{3 / 2}.}

Hence option 4 is correct.

Posted by

avinash.dongre

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