The rear window defogger of a car consists of thirteen thin wires (resistivity = 88.0 10-8
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The rear window defogger of a car consists of thirteen thin wires (resistivity = 88.0 × 10-8 Ω·m) embedded in the glass. The wires are connected in parallel to the 12.0-V battery, and each has a length of 1.30 m. The defogger can melt 2.10 × 10-2 kg of ice at 0 °C into water at 0 °C in two minutes. Assume that all the power delivered to the wires is used immediately to melt the ice. Find the cross-sectional area of each wire.
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