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The band gaps of a conductor, semiconduc...

The band gaps of a conductor, semiconductor and insulator are respectively `Eg_(1), and Eg_(2) and Eg_(3)`. The relationship between them can be given as ………

A

`Eg_(1)=Eg_(2)=Eg_(3)`

B

`Eg_(1) gt Eg_(2) gt Eg_(3)`

C

`Eg_(1) lt Eg_(2) lt Eg_(3)`

D

`Eg_(1) lt Eg_(2) gt Eg_(3)`

Text Solution

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The correct Answer is:
C
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KUMAR PRAKASHAN-SEMICONDUCTOR ELECTRONICS : MATERIALS, DEVICES AND SIMPLE CIRCUITS -Section-D : Multiple Choice Questions (MCQs) (MCQs From .DARPAN. Based On Textbook)
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  2. The energy band diagram of a Si semiconductor crystal at absolute zero...

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  3. The band gaps of a conductor, semiconductor and insulator are respecti...

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  4. When will the conductivity of a Ge semiconductor decrease?

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  5. On increasing the temperature, width forbidden gap ….

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  6. A piece of copper and piece of germanium and cooled upto 80 K temperat...

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  7. Resistivity of metal …… and resistivity on semiconductor …… on tempera...

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  8. Give electronic configuration of silicon.

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  9. Give electronic configuration of germanium.

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  10. When the semiconductor is heated ……..

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  11. Electric field is applied to a semiconductor. In it density of conduct...

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  12. The density of electron and holes in an intrinsic semiconductor is n( ...

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  13. …… is the charge on hole.

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  14. Holes and electrons are …..

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  15. To prepare the n-type semiconductor from a tetravalent Si or Ge, the i...

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  16. In intrinsic semiconductor the drift velocity of holes and electron a...

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  17. In a semiconducting material the mobilities of electrons and holes are...

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  18. To make a p-type semiconductor out of pure silicon, it has to mix atom...

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  19. p-type semiconductor is formed when …….. (A) As impurity is mixed i...

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  20. Is there any benefit to adding trivalent or pentavalent impurity to th...

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