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NEET 2001 Physics question

PhysicsSemiconductor ElectronicsNEET 2001

Not in JEE Advanced syllabus

Copper and silicon is cooled from 300 K to 60 K, the specific resistance : -

Answer: (1)

Solution

Copper is a metal: lowering the temperature reduces lattice vibrations, so the relaxation time increases and the resistivity decreases. Silicon is an

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Question ID VK-088778