In insulators (CB is Conduction Band and VB is Valence Band)

In insulators (CB is Conduction Band and VB is Valence Band)

Options

(a) VB is partially filled with electrons
(b) CB is partially filled with electrons
(c) CB is empty and VB is filled with electrons
(d) CB is filled with electrons and VB is empty

Correct Answer:

CB is empty and VB is filled with electrons

Explanation:

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