电场和磁场是电磁学的核心内容。这两部分内容是高中阶段基础的内容之一,是高考的主要考点,又是光学等其他物理学知识的重要基础。这两部分涉及的思想和方法对学习高中物理至关重要,对学生物理思维的发展与创新能力的培养起到一定作用。 Electric and magnetic fields are the core of electromagnetism. The content of these two parts is one of the contents of the foundation of senior high school, which is the main test center of the college entrance examination and an important foundation of other physics knowledge such as optics. The ideas and methods involved in these two sections are of crucial importance to the study of high school physics and play a role in the development of students’ physical thinking and in the cultivation of innovative abilities.