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Regarding p-type and n-type semiconducto...

Regarding p-type and n-type semiconductors,which of the foll..statements is true?

A

n-type semiconductors have free electrons in majority

B

n-tyoe semiconductors havwe holes in Majority

C

the concentration of electrons and hoes are equal in both n-type and p-type semiconductors

D

n-type semiconductor is obtained by dopins with travelent impurity

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TARGET PUBLICATION-SEMICONDUCTORS-EXERCISE
  1. Pure silicon should be doped with which of the foll. Impurity atoms to...

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  2. a n-type semiconductor is formed

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  3. Regarding p-type and n-type semiconductors,which of the foll..statemen...

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  4. a semiconductor is damaged by a strong current ,because of

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  5. bond in n and p type semiconductor is

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  6. in germanium crystal.a hole is provided by aimpurity.

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  7. on doping germanium metal with a little amount of indium, one gets

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  8. doping materials are caled impurities because

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  9. a hole in a semiconductcorr is rather diff. from an electron because i...

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  10. suitable impurities are added to a semiconductor depending on its use....

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  11. The donor atoms have energy level

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  12. The diode is called an electronic valve since

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  13. in a semiconductor diode, the abrrier potential offers opposition to ...

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  14. in a p -n junction , there is no appreciable current if

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  15. The potential barrier developed in a junction diode opposes

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  16. when a p junction dioode is forward biased, the flow of cufrent across...

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  17. in p-n junction diode, holesdiffuse from p-region to n-region because

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  18. Depletion layer in the P-N junction is caused by

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  19. The potential difference developed across the junction due to migratio...

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  20. in asemiconductor diode, reverse bia current is due to drift of ffree ...

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