1.calculate的平行板電容器的電容板部分填充介質(zhì)板的厚度T＜忽視但邊緣效應.
2.用畢奧-薩伐爾定律計算磁B在一個正方形的電流承載電流即中心
3.電子靜止在真空在距離r從軸的導線1＞＞R米長的承載電流增加率di/dt,對電子的力的大小和方向是什么?不顧場由于其余的電路.
英語翻譯
英語翻譯
1.calculate the capacitance of a parallel-plate capacitor with plates is partially filled with a dielectric slab S but of thickness t>r meters long carrying a current increases at the rate dI/dt,what is the magnitude and direction of the force on the electron?Disregard the field due to the rest of the circuit.
電磁學的題目
1.calculate the capacitance of a parallel-plate capacitor with plates is partially filled with a dielectric slab S but of thickness t>r meters long carrying a current increases at the rate dI/dt,what is the magnitude and direction of the force on the electron?Disregard the field due to the rest of the circuit.
電磁學的題目
英語人氣：684 ℃時間：2019-12-30 08:59:52
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