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A-LevelPhysicsQuantum physicsOct/Nov 2018Paper 4 Q105 Marks

Some of the electron energy bands in a semiconductor material at the absolute zero of temperature are shown in [Figure 10.1]. Use band theory to explain why, as the temperature of the semiconductor material rises, the electrical resistance of the sample of material decreases.

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About This A-Level Physics Question

This structured question appeared in the Cambridge A-Level Physics (9702) Oct/Nov 2018 examination, Paper 4 Variant 1. It tests the topic of Quantum physics and is worth 5 marks.

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