SemiconductorEasy
Question
Electrical conductivites of Ge and Na are σ1, and σ2 respectively. If these substances are heated, then : -
Options
A.σ1 decreases and σ2 increases
B.both σ1 and σ2 decreases
C.both σ1 and σ2 increases
D.σ1 increases and σ2 decreases
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