Physics · Semiconductor Electronics
When an external electric field is applied across an intrinsic semiconductor, which of the following describes the behavior of the charge carriers?
- 1Holes in the valence band move from lower energy levels to higher energy levels.
- 2Holes in the valence band do not move between energy levels.
- 3Electrons move from higher energy levels to lower energy levels within the conduction band.
- 4Electrons move from lower energy levels to higher energy levels within the conduction band.✓
Correct answer
Electrons move from lower energy levels to higher energy levels within the conduction band.
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