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How does the resistivity of a conductor ...

How does the resistivity of
a conductor and
a semiconductor vary with temperature? Give reason for each case.

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MODERN PUBLICATION-SOLID STATE-EXERCISE
  1. Name a substance which on the addition to AgCl causes cations vacancy ...

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  2. Which point defect lowers the density of crystal ?

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  3. How does the resistivity of a conductor and a semiconductor vary with...

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  4. Name the non-stoichimetric point defect responsible for colour in alka...

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  5. CaCl2 will introduce Schottky defect when added to AgCl crystal. Expla...

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  6. Why does ZnO appear golden yellow at high temperature? Explain.

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  7. The electrical conductivity of metal decreases with rise in temperatur...

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  8. What is the effect of Frenkel stuctural defect on the electrical condu...

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  9. Why is Frenkel defect not found in pure alkali metal halides ?

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  10. Write main differences between the properties of white phosphorus and ...

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  11. Why does LiCl acquire pink colour when heated in Li vapours?

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  12. True or false Tetragonal and orthorhomic crystal systems have same axi...

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  13. True or false In a fcc unit cell, the distance along one of the faces...

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  14. True or false In a face centred cubic systems, number of atoms at face...

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  15. True or false Copper crystallises in a fcc lattice. If radius of coppe...

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  16. True or false The percentage of vacant space in bcc unit cell and simp...

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  17. Number of atoms per unit cell in fcc and bcc unit cells are 4 and 2 re...

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  18. True or false For bcc metallic unit cell, the edge length (a) and radi...

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  19. State weather it is True or False The formula for finding the surface...

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  20. True or false The two ions A^+ and B^- have radii 90 and 200 pm respec...

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