Two wires of different materials have resistances in the ratio `4 : 3`, lengths in the ratio `2 : 1` but have same radii of cross-section. Compare the

Two wires of different materials have resistances in the ratio `4 : 3`, lengths in the ratio `2 : 1` but have same radii of cross-section. Compare the
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Two wires of different materials have resistances in the ratio `4 : 3`, lengths in the ... same radii of cross-section. Compare their resistivities.
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