By what factor is the resistance of a copper wire changed when its temperature is increased from 20°C to 120°C? (The temperature coefficient of resistivity for copper = 3.9 x 10^-3/°C) Group of answer choices: 1.06, 0.77, 1.44, 1.39.
Added by Erin G.
Step 1
First, we need to calculate the change in temperature: ΔT = 120˚C - 20˚C = 100˚C Show more…
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