affluent 发表于 2025-3-25 05:23:33
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Electric Current,he phenomena associated with electric charges in motion. We will introduce the ., or simply ., which describes the rate of charge flow through some region of space. Also, in this chapter, we will introduce resistance and Ohm’s law. As extra reading material, the reader can also consider other literature (Holliday et al. .).恶臭 发表于 2025-3-26 11:23:41
Magnetic Field,field associates with any stationary or moving electric charge. In addition to an electric field, the region of space surrounding any moving electric charge also contains a .. A magnetic field also encompasses any magnetic substance.一个搅动不安 发表于 2025-3-26 13:16:09
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