UPSC 2017 CDS II GK Paper

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Question : 12 of 120

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Two wires are made having same length l and area of cross-section Wire 1 is made of copper and wire 2 is made of aluminium. It is given that the electrical conductivity of copper is more than that of aluminium. In this context, which one of the following statements is correct?

[2017 CDS-II]

The resistance of wire 1 will be higher than that of wire 2.
The resistance of wire 2 will be higher than that of wire 1.
The resistance of both the wires will be the same.
If same current is flown through both the wires, the power dissipated in both the wires will be the same.

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