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Which of the following statements is tru...

Which of the following statements is true?

A

in insulators the conduction band is completely empty.

B

In conductor the conduction band is completely empty.

C

in semiconductor the conduction band is partically empty at low temperature.

D

in insulators the conduction band is completely filled with electrons.

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The correct Answer is:
A
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RESONANCE ENGLISH-SEMICONDUCTORS-Exercise
  1. The forbidden energy band gap in conductors, semiconductors and insula...

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  2. Fermi energy is the

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  3. Which of the following statements is true?

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  4. Which of the following statements is true?

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  5. The valence band at 0 K is-

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

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  7. Electric conduction in a semiconductor takes place due to

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

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

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

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

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  12. n-type semiconductors are

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

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  14. A semiconductor is doped with a donor impurity

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

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

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

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  18. When n-type of semiconductor is heated

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  19. GaAs is-

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

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