Editing פרק 13 - אנרגיה
Revision as of 10:45, 20 April 2022 by 84.110.59.162 (talk) (Created page with "== אנרגיה == === משפט פוינטינג === בוואקום ראינו את משפט פוינטינג:<math display="block">-\nabla\cdot(\vec E \times \vec H) = \frac{\partial}{\partial t}\underbrace{(\frac{\epsilon_0}{2}|\vec E|^2+\frac{\mu_0}{2}|\vec H|^2)}_{\text{stored energy}} +\underbrace{\vec E \cdot \vec J}_{\text{conduction power} } </math>מה קורה בחומר?<math display="block">-\nabla\cdot(\vec E \times \vec H) = -(\nabla\times\vec E)\cdot\vec...")
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