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(B) In semiconductors,the valence band and conduction band are separated by a small energy gap,typically on the order of $1 \ eV$. This allows electro

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are separated by a small energy gap

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(B) In semiconductors,the valence band and conduction band are separated by a small energy gap,typically on the order of $1 \ eV$. This allows electrons to be thermally excited from the valence band to the conduction band at room temperature,which is why semiconductors exhibit intermediate electrical conductivity compared to conductors and insulators.

Choose the correct statement. In semiconductors,the valence band and conduction band

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