"प्रेरक": अवतरणों में अंतर

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पंक्ति 31:
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! rowspan="3"|Straight wire conductor <ref>[http://www.g3ynh.info/zdocs/refs/Rosa1908/index.html The Self and Mutual Inductances of Linear Conductors, By Edward B. Rosa, Bulletin of the Bureau of Standards, Vol.4, No.2, 1908, p301-344]</ref>
| <math>L = \frac{\mu_{0}}{2\pi}\left[l\ln\frac{l+\sqrt{l^{2}+c^{2}}}{c}-\sqrt{l^{2}+c^{2}} + c \right]</math>
<br /> <math> + \frac{\mu}{2\pi} o\left(\frac{l}{4+c\sqrt{\frac{2\omega\mu}{\rho}}}\right)</math>