Q.

The resistivity of semiconductors is lower than conductors and higher than insulators.


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a

True

b

False 

answer is B.

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Detailed Solution

The resistivity of a semiconductor is lower than the insulator and higher than the conductor. The resistivity of a substance is a property by virtue of which it resists the flow of current. The resistivity of the conductors is very low. The resistivity of semiconductors like silicon and germanium is between conductors and insulators. The resistivity of the insulator is very high. Resistivity does not depend on the length or thickness of the substance. It depends on the temperature and nature of the substance.
The correct statement would be that the resistivity of semiconductor is higher than conductors and lower than insulators.
 
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