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9. DETAILS A current density of 7.50 x 10-13 A/m exists in the atmosphere at a location where the electric field is 135 V/m. Calculate the electrical conductivity of the Earth's atmosphere in this region. (m)-1 MY NOTES ASK YOUR TEACHER 10. DETAILS MY NOTES ASK YOUR TEACHER An aluminum wire has a resistance of 3.50 0 at 13.0C. Determine its resistance (in Q) at 413C. The temperature coefficient of resistivity for aluminum wire is 3.90 x 10-3 (C) -1. (Assume that the temperature coefficient of resistivity was measured using the reference temperature 20C.) Q Show Transcribed Text