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Conduction Law

Define the te...

Question

Define the term 'conductivity' of a metallic wire. write its SI unit.

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Solution

It is defined as the ratio of the current density in the wire to the electric field which brings above the flow of electron in the wire. It is reciprocal of the resistivity of the metalic wire. SI unit is siemens per meter $\frac{S}{m}$

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