In the energy band diagram of a material shown below, the open circles and filled circles denote holes and electrons respectively. The material most likely is a/an
A
p-type semiconductor
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B
insulator
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C
metal
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D
n-type semiconductor
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Solution
The correct option is A p-type semiconductor In this Band diagram, number of holes in valence band are more as compared to no.number of electrons in the conduction band. So, it is a p-type semiconductor.