A) \[\Delta E{{g}_{c}}\]>\[\Delta E{{g}_{s}}\]>\[\Delta E{{g}_{i}}\]
B) \[\Delta E{{g}_{i}}\]>\[\Delta E{{g}_{s}}\]>\[\Delta E{{g}_{c}}\]
C) \[\Delta E{{g}_{c}}\]>\[\Delta E{{g}_{c}}\]>\[\Delta E{{g}_{s}}\]
D) \[\Delta E{{g}_{s}}\]>\[\Delta E{{g}_{c}}\]>\[\Delta E{{g}_{s}}\]
Correct Answer: B
Solution :
In insulator, the forbidden energy gap is very large, in case of semiconductor it is moderate and in conductors the energy gap is zero. So \[\Delta E{{g}_{c}}<\Delta E{{g}_{s}}<\Delta E{{g}_{i}}\]
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