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The difference in the variation of resis...

The difference in the variation of resistance with temperature in a metal and a semiconductor arises essentially due to the difference in the

A

variation of scattering mechanism with temperature

B

crystal structure

C

variation of the number of charge carries with temperature

D

type of bonding

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The correct Answer is:
C

Variation of number of charge carries with temperature is responsibel for variation of resistance in a metal and a semiconductor.
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NARAYNA-SEMICONDUCTOR ELECTRONICS-EXERCISE-4
  1. A strip of copper and another of germanium are cooled from room tempe...

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  2. In the middle of the depletion layer of a reverse - biased p - n junc...

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  3. The difference in the variation of resistance with temperature in a me...

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

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  5. The manifestation of band structure in solids is due to

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  6. Energy band in solids are a consequence of

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  7. When forward bias is applied to a P-N junction, then what happence to ...

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  8. When NPN transistor is used as an amplifier

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  9. For a transistor amplifier in common emitter configuration for load im...

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  10. The electrical conductivity of a semiconductor increases when electrom...

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  11. In a full wave rectifier circuit operating from 50 Hz mains frequency ...

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  12. In a common-base amplifier, the phase difference between the input sig...

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  13. A solid which is not transperent to visible light and whose conductivi...

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  14. If the ratio of the concentration of electron to that of holes in a se...

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  15. In a common base mode of transistor, collector current is 5.488 mA for...

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  16. If the lattice constant of this semiconductor s decreases, then which ...

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  17. In the following, which one of the diodes is reverse biased ?

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  18. The circuit has two oppositely connected ideal diodes in parallel. Wha...

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  19. Carbon, silicon and germanium have four valence electrons each. The mo...

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  20. If a pn junction dide, a square input signal of 10 V is applied as sho...

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