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
Correct Answer: C
Solution :
Metals are good conductors of electricity due to the presence of free electrons. Electrical conductivity of semiconductors increases with increase in temperature.
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