Physics · Semiconductor Physics
A semiconductor sample is heated from 300 K to 400 K. It is observed that the conductivity increases significantly while mobility decreases slightly. Which of the following best explains this behavior?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Electrical resistance drops to zero
- 2Mobility dominates the overall conduction mechanism
- 3Increase in carrier concentration dominates over the decrease in mobility✓
- 4Increase in band gap with temperature
Correct answer
Increase in carrier concentration dominates over the decrease in mobility
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