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Semiconductor Electronic: Material, Devices And Simple Circuits — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsSemiconductor Electronic: Material, Devices And Simple Circuits1 Mark
MCQ
In the valance band, the current is due to:
  • A
    The presence of electrons
  • B
    The presence of holes
  • C
    The presence of both electrons and holes
  • D
    None of the above
✓

Answer

  1. The presence of holes

Explanation:

In the valence band, current is only due to holes. In the conduction band, current is due to electrons.

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