Question

What is electrical resistivity of a material? What is its unit? Describe an

experimentally to study the factors on which the resistance of conducting wire

depends?​

Answer 1

Answer:

If I is the length of the conductor, A its area of the crosssection and R its total resistance then, Where P is a constant of proportionality and is called the electrical resistivity of the material of the conductor. The SI unit of resistivity is Ohm meter

Answer 2

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