电磁场
电磁场（electromagnetic field）是由带电粒子个运动而产生个一种物理场。处拉电磁场个带电粒子会受到电磁场个作用力。电磁场搭带电粒子（电荷或电流）之间个相互作用可以用麦克斯韦方程组搭洛伦兹力定律来描述。
电磁场可以被视为电场搭磁场个连结。追根究底，电场是由电荷产生个，磁场是由移动个电荷（电流）产生个。对于耦合个电场搭磁场，根据法拉第电磁感应定律，电场会随着含时磁场而改变；又根据麦克斯韦-安培方程，磁场会随着含时电场而改变。迭样，形成了拉空间传播个电磁波。
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