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The main distinction between conductors,...

The main distinction between conductors, semiconductors and insulators is concerned with

A

binding energy of free electrons

B

work function of free electrons

C

width of forbidden energy band

D

temperature coefficient of resistance

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The correct Answer is:
C
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NIKITA PUBLICATION-SEMICONDUCTORS-MCQS
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  3. If copper and germanium are cooled to 70 K from room temperature, then

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  5. What is the order of forbidden energy gap in eV in the energy bands of...

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  6. The energy gap between conductionband and valence band is of the order...

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  7. When a metal is heated, it emits predominantly

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  8. Generally, the number of electrons in the valence shell of good conduc...

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  9. In a crystal, the permitted energy states of electrons are present

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  10. There is no hole current in good conductors, because

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  11. The energy band gap is maximum in

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  12. The forbidden energy gap in an intrinsic semiconductor is

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  13. In a good conductor, the energy levels in a valence band

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  14. Solids having highest energy level partially filled with electrons are

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  15. At ordinary temperature, an increase in temperature, increases the con...

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  16. The width of the forbidden band will be small in

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  17. Electrons in the outermost shell of an atom are called

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  18. In intrinsic semiconductor at room temperature, the number of electron...

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  19. Fermi energy is the

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