Energy gap between valence band and cond

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Target Exam

CUET

Subject

Physics

Chapter

Semiconductors and Electronic Devices

Question:

Energy gap between valence band and conduction band of a semiconductor is approximately:

Options:

zero

4 eV

1 eV

10 eV

Correct Answer:

1 eV

Explanation:

The correct answer is Option (3) → 1 eV

In general, the band gap for semiconductor is always around 1eV and is smaller as compared to insulators.