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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Derivation of self inductance ： ウィキペディア英語版 Derivation of self inductance The mutual inductance by circuit ''i'' on circuit ''j'' is given by the double integral ''Neumann formula'' :$M\_\; =\; \backslash frac\; \backslash oint\_\backslash oint\_\; \backslash frac\_j\}|\}$ ==Derivation == :$\backslash Phi\_\; =\; \backslash int\_\; \backslash mathbf\backslash cdot\backslash mathbf\; =\; \backslash int\_\; (\backslash nabla\backslash times\backslash mathbf)\backslash cdot\backslash mathbf$ = \oint_ \mathbf\cdot\mathbf = \oint_ \left(\sum_\frac \oint_ \frac\right) \cdot \mathbf_i where :$\backslash Phi\_i\backslash \; \backslash ,$ is the magnetic flux through the ''i''th surface by the electrical circuit outlined by ''C''''j'' :''Ci'' is the enclosing curve of S''i''. :''B'' is the magnetic field vector. :''A'' is the vector potential. Stokes' theorem has been used. :$M\_\; \backslash \; \backslash stackrel\backslash \; \backslash frac\; =\; \backslash frac\; \backslash oint\_\backslash oint\_\; \backslash frac\_j\}|\}$ so that the mutual inductance is a purely geometrical quantity independent of the current in the circuits. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Derivation of self inductance」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.