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Choose the correct statement...

Choose the correct statement

A

When we heat a semiconductor its resistance increases

B

When we heat a semiconductor its resistance decreases

C

When we cool a semiconductor to 0 K then it becomes super conductor

D

Resistance of a semiconductor is independent of temperature

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DISHA-SEMICONDUCTOR-physics
  1. At zero Kelvin a piece of germanium

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  2. Electronical configuration of germenium is 2,8,18 and 4. To make it ex...

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  3. The intrinsic semiconductor becomes an insulator at

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  4. Energy band in solids are a consequence of

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  5. In energy band diagram, the energy gap for carbon (diamond)is....... .

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  6. The valence band and conduction band of a solid overlap at low temper...

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  7. Choose the correct statement

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  8. If n(e) and n(h) be the number of electrons and drift velocity in a se...

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  9. The reverse biasing in a PN junction diode

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  10. Two PN-junction can be connected in series by three different methods ...

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  11. The approximate ratio of resistance in the forward and reverse biase o...

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  12. The dominant mechanisms for motion of charge carriers in forward and r...

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  13. In a triclinic crystal system

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  14. The correct cymbol for zener diode is

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  15. In the given figure, which of the diodes are forward biased?

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  16. Which of the following materials are crystalline?

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  17. A piece of copper and the other of germanium are cooled from the room ...

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  18. Assertion: The number of electrons in a p-type silicon semiconductor i...

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  19. Assertion: The resistivity of a semiconductor increases with temperatu...

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  20. Assertion: We can measure the potential barrier of a PN junction by pu...

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