Difference between revisions of "Dictionary:Faraday’s law of induction/zh-hans"
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{{DISPLAYTITLE:Dictionary:Faraday’s law of induction}} | {{DISPLAYTITLE:Dictionary:Faraday’s law of induction}} | ||
− | + | 一根长度为<math>l</math>(米) 的导线已速度<math>v</math> (米每秒)切割一个磁场强度为 <math>B</math> (高斯)的磁场,产生的电压<math>\mathcal{E}</math>(伏)为: | |
− | |||
:<math> \mathcal{E} = Bvl = - \frac{d{\phi}}{d{t}},</math> | :<math> \mathcal{E} = Bvl = - \frac{d{\phi}}{d{t}},</math> | ||
− | + | <math>d{\phi}/d{t}</math>是切割磁通量数量的率(麦克斯韦每秒),相减项为伦兹定律. | |
+ | 用矢量表示法 | ||
:<math> \mathcal{E} = \int (\mathbf{v} \times \mathbf{B}) \cdot dl</math> | :<math> \mathcal{E} = \int (\mathbf{v} \times \mathbf{B}) \cdot dl</math> |
Latest revision as of 08:24, 10 November 2019
Warning: Display title "Dictionary:Faraday’s law of induction" overrides earlier display title "法拉第电磁感应定律". 一根长度为(米) 的导线已速度 (米每秒)切割一个磁场强度为 (高斯)的磁场,产生的电压(伏)为:
是切割磁通量数量的率(麦克斯韦每秒),相减项为伦兹定律. 用矢量表示法