Two copper wires A and B have their cross-sectional
areas in the ratio 1 : 2 and lengths in the ratio 2 : 1
respectively. The ratio of the resistivities of A and B
will be
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Resistivity of copper wires A and B will be same ...........
becoz the resistivity of a material depends on its nature and the temperature of the conductor, but not on its shape and size. .....
SO , ur answer i.e. ratio will be 1:1
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