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In an insulator, the forbidden energy gap between the valence band and conduction band is of the order of
detailed solution
Correct option is D
for an insulator, the forbidden energy gap is largest and it is of the order of 5 eV.Talk to our academic expert!
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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 :
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