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To a germanium sample, traces of gallium...

To a germanium sample, traces of gallium are added as an impurity. The resultant sample would behave like

A

A conductor

B

An `P`-type semiconductor

C

An `N`-type semiconductor

D

An insulator

Text Solution

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The correct Answer is:
B
Gallium is group trivellant impurity.
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A2Z-SEMICONDUCTOR ELECTRONICS-Classification Of Metals
  1. In a good conductor the energy gap between the conduction band and the...

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  2. When phosphorus and antimony are mixed in germanium, then

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  3. To a germanium sample, traces of gallium are added as an impurity. The...

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  4. Would there be any advantage to adding n-type or p-type impurities to ...

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  5. In a P-type semi-conductor is heated

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  6. The impurity atom added to germenium to make it N-type semiconductor i...

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  7. When N-type of semiconductor is heated

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  8. To obtain a P-type germanium semiconductor, it must be dopped with

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  9. A P-type semiconductor is formed when (A). As impurity is mixed in ...

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  10. In case of a semiconductor, which of the following statement is wrong?

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  11. In a P-type semi-conductor

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  12. A semiconductor dopped with a donor impurity is

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  13. In P-type semiconductor the majority and minority charge carriers are ...

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  14. Electronical configuration of germenium is 2,8,18 and 4. To make it ex...

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  15. The impurity atoms with which pure silicon should be doped to make a p...

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  16. AN-type semiconductor is

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  17. To obtain a P-type Si semiconductor, we need to dope pure Si with

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  18. The majority charge carriers in P-type semiconductors are

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  19. When a battery is connected to a P-type semiconductor with a metallic ...

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  20. A P-type semiconductor can be obtained by adding

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