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Asked: 2020-03-15T04:22:21+05:30 In:

GATE MT 2012 Q.17 As temperature increases, the electrical resistivities of pure metals (ρm) and intrinsic semiconductors (ρs) vary as follows

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20%(A) Both ρm and ρs increase ( 1 voter )
20%(B) Both ρm and ρs decrease ( 1 voter )
40%(C) ρm increases and ρs decreases ( 2 voters )
20%(D) ρm decreases and ρs increases ( 1 voter )
Based On 5 Votes

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GATE MT 2012 Q.17 As temperature increases, the electrical resistivities of pure metals (ρm) and intrinsic semiconductors (ρs) vary as follows
GATE MT 2012 Question paper with solutionGATE MT Physical metallurgyGATE MT Previous Year Questions With Solution
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    1. Platinum GATE Metallurgy Coaching

      Electric resistivity of metals increases due to occurrence of voids and vacancies and semi conductor decreases as more electron gets excited for conduction

      Electric resistivity of metals increases due to occurrence of voids and vacancies and semi conductor decreases as more electron gets excited for conduction

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