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What is doping ? Write three necessary c...

What is doping ? Write three necessary conditions for it and two methods of doping.

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PUNJAB BOARD PREVIOUS YEAR PAPERS-Solids-Exercise
  1. Explain various energy bands in an atom.

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

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

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

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

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  6. Distinguish between energy levels and energy bands.

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

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  8. Distinguish between n-type and p-type semiconductors.

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  9. Distinguish between intrinsic and extrinsic semiconductors.

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  10. What is the difference between a single crystal and polycrystal ?

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

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  12. Define hole. Give its two characteristics.

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  13. Distinguish between intrinsic and extrinsic semiconductors.

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

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  15. How does conductivity of a semi conductor change with the rise in temp...

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  16. Distinguish between n-type and p-type semiconductors.

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  17. Distinguish between n-type and p-type semiconductors.

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

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  19. Explain the band theory of solids.

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  20. What are extrinsic semiconductors ? Explain how p-type and n-type semi...

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