Question

A wire of length L made of material as resistivity R is cut into two equal parts the resistivity of the two parts are equal to
a)p
b)p/2
c)2p
d)4p​

Answer 1

Explanation:

The resistivity of the two parts will be same. If we cut the wire into two equal parts then the length will be change of the wire but will not change the resistivity of the wire. Because resistivity depends upon the material of the wire. Hence, The resistivity of the two parts will be same.

Answer 2

Answer:

So, when you cut a wire into two exactly equal halves, the resistance will also be down to half. Resistivity, on the other hand, is a property of a material, so unless you change the material of the wire, resistivity will remain same. But resistivity depends on temperature.

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