Lemma
DeepGreen, Stokes & divergence
Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §15.6 Stokes’ Theorem and the Curl of F, #43 · Multivariable Calculus · Green, Stokes & divergence

If … (constant direction …), find curl … from Faraday's Law

If (constant direction ), find curl from Faraday's Law. Then find the alternating spin field .

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §15.6 Stokes’ Theorem and the Curl of F, #43

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