WBBSEClass XPhysical ScienceCurrent Electricity01 Mark2026 Easy

QQuestion

With increase in temperature, the resistance decreases in:

(a) Copper

(b) Nichrome

(c) Glass

(d) Silicon

Exam-ready answer 01 Mark

Answer

(d) Silicon

Explanation

Silicon is a semiconductor. As its temperature increases, the number of free charge carriers also increases, causing its electrical resistance to decrease.

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