Which of the following statements is correct?

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(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

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(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 $13$ element) creates a $p$-type semiconductor. Silicon doped with arsenic (Group $15$ element) creates an $n$-type semiconductor.

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