alleryA material with a band gap below three electron volts is a:
APerfect metal
BPure insulator
CSuperconductor
DSemiconductor
Answer & Solution
Correct answer: D. Semiconductor
1. A small gap can be crossed by thermal energy.
2. Some electrons reach the conduction band at room temperature.
3. That describes a semiconductor.
4. So the answer is semiconductor.
_Source: syllabus Physics, Ch 14 'Semiconductor Electronics'_
Keep practising Semiconductor Electronics
Browse all Semiconductor Electronics questions for AP Intermediate 2nd Year, or explore more Physics topics.
Related questions