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elections strike the screen every minute 2.fa) At what temperature will aluminum have a resistivity that is three times the resistivity of copper at room temperature? (Assume room temperature is 20o C.) (b) At this temperature, an aluminum wire and a copper wire of equal length are found to have the same resistance. What is the ratio of their radii? 3 A physics student has a single-oeeupancy dorm room. The student has a small refrigerator that

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Renee 0 YA J2

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