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Earn 100

In insulators (C.B. is conduction band and V.B. is valence band)
(a)V.B. is partially filled with electrons.
(b)C.B. is partially filled with electrons.
(c)C.B. is empty and V.B. is filled with electrons.
(d)C.B. is filled with electrons and V.B. is empty.

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Important Questions on Semiconductors
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Assertion: The energy gap between the valence band and conduction band is greater in silicon than in germanium.
Reason: Thermal energy produces fewer minority carriers in silicon than in germanium.

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