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A semiconductor has electron concentrati...

A semiconductor has electron concentration of `8 xx 10^-13 cm^-3` and hole concentration of `4 xx 10^-12 cm^-3`.Calculate conductivity of the sample if electron mobility = `24000 cm^2V^-1 s^-1` and hole mobility = `200 cm^2 V^-1 s^--1` and `e = 1.6 xx 10^-19C`.

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MODERN PUBLICATION-Solids-EXERCISE
  1. A semiconductor has electron concentration of 8 xx 10^-13 cm^-3 and ho...

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  2. Explain the formation of energy bands in solids and hence define condu...

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  3. Draw the energy band diagram of N-type semiconductor.

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  4. Draw the energy-band diagram of p-type semiconductor.

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  5. Give the enregy band diagram for metls

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  6. Draw the energy band diagram of N-type semiconductor.

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  7. Draw the energy-band diagram of p-type semiconductor.

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

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  9. Explain the behaviour of semiconductors and insulators on the basis of...

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  10. Explain various energy bands in an atom.

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  11. On the basis of the energy band diagrams distinguish between metals, i...

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  12. Draw a labelled energy band diagram for an insulator,a conductor and a...

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  13. Draw a labelled energy band diagram for an insulator,a conductor and a...

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

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  15. On the basis of the energy band diagrams distinguish between metals, i...

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

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

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

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  19. What is doping? What are the necessary conditions for it? State any me...

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  20. A n-type semiconductor is:

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  21. What is an intrinsic Semi-conductor ?

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