Question

define the electric resistance of a wire and also write it's SI unit
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Answer 1

Answer:

electric resistance of wire is defined as the opposition offered by the wire to oppose the flow of current. Its SI unit is Ohm.

formula is R = kL/A where, k is resistivity of wire, A is cross sectional area of wire and L is the length of wire

Answer 2

Answer:

it is defined as opposition acquired by wire to flow current