A Certain Material Has a Resistivity of 7 $\Omega$ M at Room Temperature and It Increases as the Temperature

question 8

Multiple Choice

A certain material has a resistivity of 7.8 *10^-8 $\Omega$ .m at room temperature and it increases as the temperature is raised by 100 $\degree$ C. The material is most likely:

• A) a metal
• B) a pure semiconductor
• C) a heavily doped semiconductor
• D) an insulator
• E) none of the above

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