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If a small amount of antimony is added t...

If a small amount of antimony is added to germanium crystal

A

the antimony becomes an acceptor atom

B

there will be more free electron than holes in the semiconductor

C

its resistance is increased

D

it becomes a p-type semiconductor

Text Solution

Verified by Experts

The correct Answer is:
B
When a small amount of antimony is added to germanium crystal, the crystal becomes n-type semiconductor because antimony is a pentavalent dopant.
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NARAYNA-SEMICONDUCTOR ELECTRONICS-EXERCISE -3
  1. Pure Si at 500K has equal number of electron (n(e)) and hole (n(h)) co...

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  2. In the following figure, the diodes, which are forward biased, are

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  3. If a small amount of antimony is added to germanium crystal

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  4. Symbolic representation of four logic gates are shown as

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  5. In forward biasing of the p-n junction:

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  6. A transistor is operated in common emitter configuration at V(c)=2 V s...

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  7. To get an output y=1 from the circuit shown below, the input must be

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  8. The device that can act as a complete electronic circuit is

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  9. Which one of the following bonds produces a solid that reflects light ...

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  10. Which one of the following statement is false?

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  11. Sodium has body centred packing. Distance between two nearest atoms is...

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  12. The number of beta particles emitter by radioactive sustance is twice ...

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  13. A transistor is operated in common emitter configuration at V(c)=2 V s...

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  14. A p-n photodiode is fabricated from a semiconductor with a band gap of...

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  15. The circuit is equivalent to

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  16. A p-n photodiode is made of a material with a band gap of 2.0 eV. The ...

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  17. The voltage gain of an amplifier with 9% negative feedback is 10. The ...

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  18. In the energy band diagram of a material shown below, the open circles...

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  19. For a cubic crystal structure which one of the following relations ind...

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  20. A common emitter amplifier has a voltage gain of 50, an input impedanc...

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