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A toaster uses a Nichrome heating wire. When the toaster is turned on at 20° C, the initial current is1.50 A. A few seconds later, the toaster warms up and the currentnow has a value of 1.24 A. The averagetemperature coefficient of resistivity for Nichrome wire is4.50 10-4 (C°)−1. What is the temperature of the heating wire?

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