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Which of the following statements is tru...

Which of the following statements is true?

A

at absolute zero temperature the semiconductor behave as a conductor

B

the energy gap in semiconductor is more than that for insulator

C

the resistance of semiconductor increases with increase in temperature

D

the resistance of semiconductor decreases with increase in temperature

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The correct Answer is:
D
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RESONANCE ENGLISH-SEMICONDUCTORS-Exercise
  1. Fermi energy is the

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  2. Which of the following statements is true?

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  3. Which of the following statements is true?

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  4. The valence band at 0 K is-

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  5. The free electron concentration (n) in the conduction band of a semico...

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  6. Electric conduction in a semiconductor takes place due to

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  7. An electric field us applied to a semiconductor.Let the number of char...

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  8. The mobility of free electrons is greater then that of free holes beca...

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  9. Lets npand ne be the number of holes and conduction electrons in an in...

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  10. The electrical conductivity of pure germanium can be increased by

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  11. n-type semiconductors are

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  12. Lets npand ne be the number of holes and conduction electrons in an ex...

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  13. A semiconductor is doped with a donor impurity

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  14. A p-type semoconductor has acceptor levels 57meV above the valence ban...

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  15. Which of the following energy bank diagram shows the N-type semiconduc...

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  16. A P-type sillicon semiconductor is made by adding one atom of indium p...

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  17. When n-type of semiconductor is heated

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  18. GaAs is-

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  19. What will be conductance of pure sillicon crystal at 300 K temp? if el...

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  20. Forbidden energy gap of Ge is 0.75eV, maximum wave length of incident ...

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