The temperature dependence of resistance of Cu and undoped Si in...

The temperature dependence of resistance of

Cu

and undoped

Si

in the temperature range

300 - 400K

is best described by The temperature dependence of resistance of Cu and undoped Si in the temperature range 300 - 400K is best described by

Options

Alinear increase for $Cu$ , exponential decrease for $Si$
Blinear decrease for $Cu$ , linear decrease for $Si$
Clinear increase for $Cu$ , linear increase for $Si$
Dlinear increase for $Cu$ , exponential increase for $Si$

Correct answer

A. linear increase for $Cu$ , exponential decrease for $Si$

Step-by-step solution

Resistance variation with temperature: resistance of a metal increases with increase in temperature linearly and resistance of a semiconductor decreases exponentially with increase in temperature.

The temperature dependence of resistance of Cu and undoped Si in the temperature range 300 - 400K is best described by

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