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How will you account for the fact that s...

How will you account for the fact that silicon is an insulator but silicond doped with phosphorus acts as semi-conductor ?

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DINESH PUBLICATION-SOLID STATE-ASSIGNMENT
  1. What types of semi-conductors will be formed when silicon is doped wit...

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  2. What are piezoelectric crystals ? Give their important uses.

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  3. How will you account for the fact that silicon is an insulator but sil...

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  4. Give one example of 1315 compounds.

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  5. Define the term doping. Pure silicon is an insulator. Silicon doped wi...

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  6. What is the magnetic nature of super-conductors?

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  7. How does the electrical conductivity of super- conductors vary with te...

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  8. What types of crystals show pyroelectricity ?

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  9. What is super conductivity ?

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  10. Give one example of peizoelectric substance.

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  11. FERROMAGNETIC SUBSTANCES

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  12. Explain superconductivity.

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  13. At what temperature range most of the metals becomes superconductors

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  14. Define piezoelectricity.

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  15. How does electrical cocductivity of semi-conductors vary with temperat...

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  16. Name the non-stoichiometric point defect responsible for the colour of...

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  17. What is a semiconductor? Describe the two main types of semiconductor ...

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  18. Example the following with suitable examples: a. Ferromagnetism b. P...

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  19. Explain with suitable examples the following : (a) n-type and p-type...

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  20. Explain the following terms with suitable examples : (i) Schottky de...

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