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What happens to the resistance of a semiconducting material when its temperature is raised?

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Question

What happens to the resistance of a semiconducting material when its temperature is raised?

Very Short Answer
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Solution

When the temperature is raised, its resistance decreases (and its conductivity increases). This happens because heating provides energy that releases more free electrons for conduction, unlike in normal metals.

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Chapter 7: Electric Circuits, Resistance and Ohm's Law - EXERCISE-2 [Page 161]

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Goyal Brothers Prakashan A New Approach to ICSE Physics [English] Class 10
Chapter 7 Electric Circuits, Resistance and Ohm's Law
EXERCISE-2 | Q 12. (b) (ii) | Page 161
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