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the conductivity (sigma)of a solid is gi...

the conductivity `(sigma)`of a solid is given by [n=no. of carriers per unit volume, q= charge on th carrirs, `mu`=mobility of carriers]

A

`sigma =(nq)/(mu)`

B

`sigma=(nq(mu))`

C

`sigma=(n(mu))/q`

D

`sigma=(mu)/(nq)`

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TARGET PUBLICATION-SEMICONDUCTORS-EXERCISE
  1. in case of a semiconductor, which of the foll. Statements is wrong?

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  2. electrical conductivity of a silicon is

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  3. the conductivity (sigma)of a solid is given by [n=no. of carriers per ...

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  4. electrical conductivity of a semiconductor

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  5. at room temperature,electrical conductivity of semiconductor is

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  6. Assertion:the resistivity of a semiconductor increases with temperatur...

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  7. in a good conductor the energy gap between the conduction band and the...

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  8. energy band in solids are a consequence of

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  9. three semiconductors are arranged in the incresing order of their gap ...

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  10. Assertion: the energy gap between the valence band and conduction band...

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  11. which one of the energy band diagrams shown in the figure coresponds t...

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  12. electronic configuration of silicon is.

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  13. in a semiconductor,

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  14. In an intrinsic semiconductor

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  15. let np and ne be the no. oh holes and conduction electrons in a semic...

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  16. resistivity of pure geramanium crystal at room temperature in order of

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  17. in a pure silicon (ni = (10^16)/m^3) crystal at 300 k ,10^21 atoms of ...

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  18. to a germanium sample , trace sof gallium are added as an imourity. Th...

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  19. when phosphorous and antimony are mixed in germanium , then

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  20. Intrinsic semiconductor is electrically neutral. Extrinsic semiconduct...

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