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JEE Main 25 Feb 2021 Shift 2 Solved Paper

Question : 18

Total: 90

Fermi level of p-type semiconductor will go upward and Fermi level of n-type semiconductors will go downward
Fermi level of p-type semiconductors will go downward and Fermi level of n-type semiconductor will go upward
Fermi level of p and n-type semiconductors will not be affected
Fermi level of both p-type and n-type semiconductors will go upward for T>TFK and downward for T<TFK, where TF is Fermi temperature

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