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Determining the total resistance

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Reference no: EM131403217

A 15.0-mlength of wire consists of 6.0mof copper followed by 9.0mof aluminum, both of diameter1.3mm.A voltage difference of 95mVis placed across the composite wire. The resistivity of copper is1.68×10-8Ω⋅mand the resistivity of aluminum is2.65×10-8Ω⋅m.

Part A: What is the total resistance (sum) of the two wires?

Part B: What is the current through the wire?

Part C: What is the voltage across the copper part?

Part D: What is the voltage across the aluminum part?

Reference no: EM131403217

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