A nichrome wire and an aluminum wire, each with the same initial resistance, have the same change in resistance when heated separately. (?Al = 2.82 × 10^?8 ? / m; ?Al = 3.9 × 10^?3 / °C; ?nichrome = 1.50 × 10^?6 ? / m; ?nichrome = 0.40 × 10^?3 / °C.) The ratio of the temperature change of the nichrome wire to the temperature change of the aluminum wire is
a. 0.019.
b. 0.10.
c. 0.18.
d. 9.8.
e. 53.
d
Physics & Space Science
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