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Question

The conductivity of a semi conductor is:

A
Greater than the conductivity of metals.
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B
Less than the conductivity of metals.
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C
Equal to the conductivity of metals.
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D
Intermediate between the conductivity of metals and insulators.
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Solution

The correct options are
B Less than the conductivity of metals.
D Intermediate between the conductivity of metals and insulators.
comparison of conductivity according to the material used is given below:-
conductivity of metal(good conductor) > conductivity of semi-conductor(conductor) > conductivity of insulators(bad conductors).
Hence the conductivity of semiconductors is less than conductivity of metals and intermediate between the conductivity of metals and insulators.
option B and D are correct.

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