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What is Fermi energy level ?...

What is Fermi energy level ?

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PUNJAB BOARD PREVIOUS YEAR PAPERS-Solids-Exercise
  1. Draw the energy-band diagram of p-type semiconductor.

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  2. Draw the energy-band diagram for an insulator.

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  3. What is Fermi energy level ?

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  4. What is doping ?

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  5. What do you mean by the term doping in semiconductors ?

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  6. What type of impurity is added to obtain N-Type and P-Type semi conduc...

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  7. What is the effect of rise in temperature on the conductivity of coppe...

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  8. What is an Extrinsic Semi-conductor ?

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  9. What is n-type semiconductor ?

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  10. What do you mean by p-type semi conductor ?

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  11. Choose the correct option: Electrical conductivity of a semi conductor...

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  12. Choose the correct option : A pure semiconductor behaves slightly as a...

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  13. For metal conductors, the electrical resistivity decreases with the ri...

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  14. p-type semiconductor is obtained by doping silicon with Indium(In).(Ye...

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  15. What are extrinsic semiconductor ? Explain acceptor-type semi-conducto...

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  16. Explain various energy bands in an atom.

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  17. What is doping ? Write three necessary conditions for it and two metho...

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  18. Distinguish between conductor and semiconductor on the basis of their ...

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  19. hat are extrinsic semi-conductors ? Explain donor type semi-conductor.

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  20. What are ‘holes’? Write their characteristics.

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