At room temperature,in a semiconductor material:
- AThe valence band is partially empty and the conduction band is partially filled.
- BThe valence band is completely filled and the conduction band is partially filled.
- CThe valence band is completely filled.
- DThe conduction band is completely empty.
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Similar Questions
Give a brief explanation of solid state semiconductor electronics.
Easy
View SolutionCarbon,Silicon,and Germanium atoms each have four valence electrons. If their bandgaps are represented by $(E_g)_C$,$(E_g)_{Si}$,and $(E_g)_{Ge}$ respectively,which of the following relations is correct?
Medium
View SolutionIn the case of insulators,the band gap and the conduction band are respectively:
The temperature dependence of resistances of $Cu$ and undoped $Si$ in the temperature range $300-400 \ K$ is best described by:
The effect of an increase in temperature on the number of electrons in the conduction band $(n_e)$ and the resistance of a semiconductor will be as follows:
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