KEAM 2013 Physics and Chemistry Paper

Question : 44 of 120

Marks: +1, -0

Pick out the wrong statement from the following

The SI unit of conductance is mho
Conductance of a conductor decreases with increase in temperature
If the radius of a metallic wire is doubled, its resistance becomes (
1
4
)th of original resistance.
If the length of the metallic wire is doubled, its resistivity remains unchanged.
The relation between voltage and current for a non-ohmic conductor is linear.

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