Question

why do we use copper wires for making connections in a circuit?​

Answer 1

Answer

The lower the level of resistivity, the more electrical conductivity a metal has. Copper has low resistivity, and therefore is an excellent conductor. Copper is also less oxidative than other metals.

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Answer 2

Why is copper used for most electrical wiring? ... The lower the level of resistivity, the more electrical conductivity a metal has. Copper has low resistivity, and therefore is an excellent conductor. Copper is also less oxidative than other metals