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在全日制普通高级中学(试验修订本·必修加选修)物理第二册(以下简称“新教材”)“交变电流”一章中增加了“三、电感和电容对交变电流的影响”一节内容。笔者认为:增加本节内容是必要的,它对“自感现象、交变电流、电容、电容器”等知识的理解和应用有重要的意义,也与新教材的编写意图吻合。但本节教材在编写上有几处不妥或粗糙的地方。现提出,与同行一起探讨或修订教材时订正。 1、标题叙述不妥当:我们知道:电容(C)是描述电容器储存电荷本领的物理量,而电容器是一个客观存在的物体。同样,电感(L)也是一个物理量,它是“自感系数”的简称,是描述线圈中电流变化时产生自感电动势大小的物理量。而线圈也是一个客观存在的物体。因此,电容和电容器、电感
In the full-time ordinary high school (experimental revision of the compulsory plus optional) physical second volume (hereinafter referred to as “new material ”)“ alternating current ” added a “three, inductance and capacitance pairs The effect of variable current ” section. The author believes that it is necessary to increase the content of this section. It has important implications for the understanding and application of “self-induction phenomenon, alternating current, capacitance, capacitor” and other knowledge, and it also coincides with the preparation of new textbooks. However, there are several things that are inappropriate or rough in the preparation of this section of the textbook. It is proposed that revisions should be made when discussing or revising teaching materials with peers. 1. Title narrative is not appropriate: We know that capacitance (C) is the physical quantity that describes the capacitor’s ability to store charge, and the capacitor is an objectively existing object. Similarly, inductance (L) is also a physical quantity, it is the abbreviation of “self-inductance coefficient” and is a physical quantity that describes the magnitude of the self-induced electromotive force generated when the current in the coil changes. The coil is also an objective object. Therefore, capacitors and capacitors, inductors