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When arsenic is added as an impurity to ...

When arsenic is added as an impurity to silicon, the resulting material is

A

n-type conductor

B

n-type semiconductor

C

P-type semiconductor

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
b
When pentavalent arsenic is doped to silicon, it forms n-type semiconductor
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FULL MARKS-SEMICONDUCTOR ELECTRONICS-Additional question(M. C.Q)
  1. Which of the following, when added as an impurity into the silicon, pr...

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  2. Only P is a pentavalent impurity atom,its doping with germanium produc...

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  3. When arsenic is added as an impurity to silicon, the resulting materia...

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  4. In a p-type semiconductor, the majority carriers of current are

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  5. The depletion layer in the p-n junction region is caused by

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  6. In the depletion region of an unbiased p-n junction diode, there are

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  7. In forward bias the width of potential barrier in a p-n diode

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  8. Reverse bias applied to a junction diode

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  9. Barrier potential of a p-njunction diode does not depend on

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  10. The peak voltage in the output of a half wave diode rectifier fed with...

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  11. A p-n diode can be used as

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  12. Zener diode is used for

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  13. when NPN transistor is used as an amplifier then ……….

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  14. The correct relationship between the two current gains alpha and beta ...

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  15. The correct relation for alpha,beta for a transistor is

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  16. In common - emitter amplifier the ratio (IC)/(IE) 0.98. The current ga...

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  17. Radio waves of constant amplitude can be generated with

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  18. An oscillator is an amplifier with

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  19. The output of OR gate is 1

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  20. The device which easily closes or opens an electric circuit is called ...

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