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Tardigrade
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Physics
The length of a conductor is halved. Its conductivity will be
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Q. The length of a conductor is halved. Its conductivity will be
Current Electricity
A
halved
19%
B
unchanged
33%
C
doubled
39%
D
quadrupled
9%
Solution:
Resistivity is a characteristic of the material alone. It does not change with the change in length, area etc.