(C) Metals are good conductors of electricity due to the presence of free electrons. Electrical conductivity of semiconductors increases with an incre

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Metals are good conductors of electricity

(C) Metals are good conductors of electricity due to the presence of free electrons. Electrical conductivity of semiconductors increases with an increase in temperature. Silicon doped with boron (Group $13$) is a $p$-type semiconductor. Silicon doped with arsenic (Group $15$) is an $n$-type semiconductor. Therefore,option $C$ is the correct statement.

Class 11 Chemistry Data Entry - Chemistry Level 0 of all question bank

Which of the following statements is correct?

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TS EAMCET 2007 All TS EAMCET

A
Silicon doped with boron is an $n$-type semiconductor
B
Silicon doped with arsenic is a $p$-type semiconductor
C
Metals are good conductors of electricity
D
Electrical conductivity of semiconductors decreases with increasing temperature