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An Intiative by Sri Chaitanya
a
has few holes and few free electrons
b
has equal numbers of holes and free electrons
c
has few holes but no free electrons
d
does not have any charge carrier
answer is C.
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Detailed Solution
At absolute zero, a p-type semiconductor has holes as charge carriers and .behaves like an ideal insulator. Hence, it has a few holes in valence band but no free electrons.