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(D) In solid-state physics,materials are classified based on their energy band gaps.Metals have overlapping valence and conduction bands,meaning the b

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Insulators

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(D) In solid-state physics,materials are classified based on their energy band gaps.Metals have overlapping valence and conduction bands,meaning the band gap is effectively $0 eV$.Semiconductors have a small band gap,typically around $1 eV$ to $3 eV$.Insulators have a very large energy band gap,which is generally greater than $3 eV$,preventing electron flow from the valence band to the conduction band under normal conditions.Therefore,insulators have the largest band gap among the given options.

The class of materials having the largest band gap in the following is

Similar Questions

State the conductivity and resistivity of a semiconductor.

Carbon,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?

Which of the following statements is true?

Assertion: If the temperature of a semiconductor is increased,then its resistance decreases.
Reason: The energy gap between the conduction band and the valence band is very small.

The state of the energy gained by valence electrons when the temperature is raised or when an electric field is applied is called as:

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