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Question

# In insulators________. (C.B is conduction band and V.B is valence band)V.B. is partially filled with electronsC.B. is partially filled with electronsC.B. is filled with electrons and V.B. is emptyC.B. is empty and V.B. is filled with electrons

A
V.B. is partially filled with electrons
B
C.B. is filled with electrons and V.B. is empty
C
C.B. is empty and V.B. is filled with electrons
D
C.B. is partially filled with electrons
Solution
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#### As shown in the image, insulators have a very large forbidden gap. Their conduction band is empty, thus they cannot conduct electricity under normal room temperature and pressure conditions. The valence band is full.

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