IUT_16-17
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The nichrome heating element of a toaster has a resistance of 12.0012.00 when it is red hot (1200C)(1200^\circ C). What is the resistance of the element at room temperature (27C)?(27^\circ C)? (Temperature coefficient of resistance of nichrome is 0.4×103C1.0.4 \times 10^{-3}{ }^{\circ} \mathrm{C}^{-1}.

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