A toroidal coil has a rectangular cross section, with inner radius a, outer radius a + w,
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A toroidal coil has a rectangular cross section, with inner radius a, outer radius a + w, and height h. It carries a total of N tightly wound turns, and the current is increasing at a constant rate (dl/dt = k). If w and h are both much less than a, find the electric field at a point z above the center of the to roid.
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In the quasistatic approximation B 0 Eq 558 The flux around the toroid is th...View the full answer
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