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For a p-type semiconductor, the acceptor energy level lies just above the valence band. With very small supply of energy an electron from the valence band can jump to the level EA and ionise acceptor negatively.

1. True
2. False
3. Cannot be determined
4. None of the above

Correct answer: True

Solution

In a p-type semiconductor, the acceptor energy level (EA) is close to the valence band. A small energy input allows an electron to jump from the valence band to the acceptor level, leaving behind a hole and ionizing the acceptor negatively.

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