Questions
An n-type semiconductor has impurity level 20meV below the conduction band. In a thermal collision, transferable energy is KT. The value of T for which electrons start to jump in conduction band is :
detailed solution
Correct option is A
KT=20×10−3eV∴T=20×10−3keV=20×10−3eV8.62×10−5eV/K=232KTalk to our academic expert!
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