Physics, 31.07.2019 22:10 Janznznz1121
The magnitude j of the current density in a certain wire with a circular cross section of radius r = 2.11 mm is given by j = (3.25 × 108)r2, with j in amperes per square meter and radial distance r in meters. what is the current through the outer section bounded by r = 0.921r and r = r?
Answers: 3
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The magnitude j of the current density in a certain wire with a circular cross section of radius r =...
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