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Semiconductors and Semiconductor Devices — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsSemiconductors and Semiconductor Devices1 Mark
Question
In a normal operation of a transistor:
  1. The base-emitter junction is forward-biased.
  2. The base-collector junction is forward-biased.
  3. The base-emitter junction is reverse-biased.
  4. The base-collector junction is reverse-biased.
✓

Answer

  1. The base-emitter junction is forward-biased.
  1. The base-collector junction is reverse-biased.

Explanation:

In the normal operation of a transistor, the base−emitter junction is forward biassed and the base−collector junction is reverse biassed. This is done so that the conduction of majority carriers can take place across the emitter−base junction and the free electrons can reach the collector to give the output current.

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