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A solid which is not transparent to visi...

A solid which is not transparent to visible light end whose conductivity increases with temperature is formed by-

A

metallic bonding

B

ionic bonding

C

covalent bonding

D

vander walls bonding

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AAKASH SERIES-SEMICONDUCTOR DEVICES-EXERCISE - IA
  1. Which of the energy band diagram shown in the figure corrensponds to t...

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  2. The bond that exists in a semi conductor is

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  3. A solid which is not transparent to visible light end whose conductivi...

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  4. A piece of copper and another of germanium are cooled from room temper...

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  5. In a semiconductor, the separation between conduction band and valence...

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  6. The intrinsic semi conductor behaves as insulator at

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  7. The energy gap for an insulator may be

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  8. In case of a semi conductor, which one of the following statements is ...

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

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

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  11. When an impurity is doped into an intrinsic semiconductor, the conduct...

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  12. Diffusion current in a p-n junction is greater than the drift current ...

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  13. In an intrinsic semiconductor, the fermi energy level lies

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  14. The mobility of free electron is greater than that of free holes becau...

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  15. The value indicated by fermi-energy level in an intrinsic semiconducto...

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  16. A semiconducting device is connected in a series in circuit with a bat...

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  17. Pure semiconductor is known as

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  18. A doped semiconductor is

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  19. The potential barrier, in the depletion layer , is due to

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  20. A P-type semiconductor can be formed by doping Si or Ge with

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