Question

What is the difference between resistance
and resistivity ?​

Answer 1

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The resistance of a conductor of a certain material is the opposition the conductor offers to the electric current and, for a given material and temperature, depends on the physical dimensions of the conductor.

The resistivity is the characteristic property of the material of an electrical conductor and is different for different materials. It shows a temperature dependence but is independent of the physical dimensions of the conductor...

Answer 2

Explanation:

Resistance -

The resistance is the property of the material which creates an obstruction in the flow of the current. When the voltage is applied across the conductor, the free electrons starts moving in a particular direction. While moving these electrons collapse with atoms or molecules and hence produce heat. These atoms or molecules oppose the movement of free electrons in a material.

Resistivity-

The resistivity is also known as specific resistance. The resistivity represents the resistance of the material which has specific dimensions, i.e., the material has 1-meter length and 1 square meter area of cross section.

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