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6. Not a super conductive metallic element
(A).Fe
(B).Al
(C).Ti
(D).W


7. Fermi energy level for intrinsic semiconductors lies
(A).At middle of the band gap
(B).Close to conduction band
(C).Close to valence band
(D).None


8. Fermi energy level for p-type extrinsic semiconductors lies
(A).At middle of the band gap
(B).Close to conduction band
(C).Close to valence band
(D).None


9. Fermi energy level for n-type extrinsic semiconductors lies
(A).At middle of the band gap
(B).Close to conduction band
(C).Close to valence band
(D).None


10. Not an example for intrinsic semiconductor
(A).Si
(A).Al
(C).Ge
(D).Sn