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प्रश्न
Distinguish between avalanche breakdown and Zener breakdown.
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उत्तर
| Sr. No. | Avalanche breakdown | Zener breakdown |
| 1. | The phenomenon of increasing the free electrons or current in the semiconductor by applying a higher voltage | The process in which electrons are moving across the barrier from valence band of P-type material to conduction band of lightly filled n-material |
| 2. | Depletion layer is thick | Depletion layer is thin |
| 3. | Electric field is weak | Electric field is strong |
| 4. | Produces pairs of electrons and holes | Produces electrons |
| 5. | Doping is low | Doping is heavy |
| 6. | Breakdown voltage vary | Voltage remains constant |
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संबंधित प्रश्न
In an unbiased p-n junction, the majority of charge carriers (that is, holes) in the p-region diffuse into the n-region because of
The barrier potential of a p-n junction depends on
(i) type of semiconductor material
(ii) amount of doping
(iii) temperature
Which one of the following is correct?
Define barrier potential.
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