1. Tardigrade
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  3. Physics
  4. The temperature dependence of resistances of Cu and undoped Si in the temperature range 300-400 K, is best described by :

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Q. The temperature dependence of resistances of $Cu$ and undoped $Si$ in the temperature range $300-400 \, K$, is best described by :

JEE MainJEE Main 2016Current Electricity

Solution:

As we know $Cu$ is conductor, so with increase in temperature, resistance will increase. Then, $Si$ is semiconductor, so with increase in temperature, resistance will decreases.