What is the resistance of the composite wire

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Reference no: EM13322282

A 137-cm-long wire is made by welding a 1.3-mm-diameter, 26-cm-long copper wire to a 0.31-mm-diameter, 111-cm-long iron wire. What is the resistance of the composite wire? (Give answer in %u2126.)

Reference no: EM13322282

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