Live Quiz Arena
🎁 1 Free Round Daily
⚡ Enter ArenaQuestion
← ScienceWhich outcome occurs when introducing impurities near the conduction band?
A)Increased free carrier concentration results✓
B)Decreased lattice vibration amplitudes results
C)Reduced grain boundary electron scattering
D)Enhanced thermal conductivity material results
💡 Explanation
Introducing impurities near the conduction band causes increased free carrier concentration, arising from the **doping effect**. Increased carriers enhance conductivity because electrons populate the conduction band rather than requiring thermal excitation, therefore increasing conductivity rather than influencing lattice vibration.
🏆 Up to £1,000 monthly prize pool
Ready for the live challenge? Join the next global round now.
*Terms apply. Skill-based competition.
Related Questions
Browse Science →- Which mechanism causes increased electrical resistance in a metal subjected to intense radiation, regarding molecular structure?
- Within a microwave oven, which mechanism causes localized heating?
- Which outcome occurs when two coherent laser beams impinge on a target in laser-induced breakdown spectroscopy?
- Which consequence results when a sterically hindered platinum complex experiences ligand substitution?
- Which flow characteristic results when a pipe's Reynolds number greatly exceeds 4000?
- Which outcome occurs when electron pairing fails within graphene's pi system?
