Copper and Germanium are cooled from room temperature to $100 \ K$. Then,the resistance of
- Agermanium increases,copper increases
- Bgermanium decreases,copper increases
- Cgermanium decreases,copper decreases
- Dgermanium increases,copper decreases
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At absolute zero temperature,pure silicon behaves as
The energy of a photon of sodium light $(\lambda = 589 nm)$ is equal to the band gap of a semiconductor material. Find the value of $E/kT$ at $300 K$.
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View SolutionAssertion : The resistivity of a semiconductor increases with temperature.
Reason : The atoms of a semiconductor vibrate with larger amplitude at higher temperatures,thereby increasing its resistivity.
Reason : The atoms of a semiconductor vibrate with larger amplitude at higher temperatures,thereby increasing its resistivity.
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