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COMEDK2015PhysicsSemiconductors

In a semiconductor diode, the reverse biased current is due to drift of the free electrons and holes caused by

Options

  1. Athermal expansion only
  2. Bimpurity atoms only
  3. CBoth (a) and (b)
  4. DNeither (a) nor (b)

Correct answer

C. Both (a) and (b)

Step-by-step solution

In a semiconductor diode, the reverse biased current is due to drift of the free electrons and holes which are produced by thermal expansion, impurity atoms etc.

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