A toroid of square cross section has inner radius r₁ = 0.040 m and outer radius r2 = 0.070 m. If it has N = 200 loops, calculate thetotal magnetic energy in the toroid if the current is i = 3.0 A. This may be done by finding the inductance, or by integrating themagnetic energy density.○ 1.3 × 10-4 J○ 2.0 × 10-3 J○ 9.1 x 10-6 J○ 6.0 × 10-4 J

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College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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