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考测点导航知道电路的基本组成、连接和电路的状态,知道电路中各组成部分的作用,知道导体和绝缘体,知道短路及其危害,会画简单的电路图是本章学习的基本要求。本章经常考查的内容有带电体的基本性质及相互作用规律,识别生活中常见物质是否为导体,串联、并联电路的连接与复杂串联、并联电路的识别,短路的识别以及简单电路的设计等。
The test point navigation knows the basic composition of the circuit, the state of the connection and the circuit, knows the role of the various components in the circuit, knows the conductor and the insulator, knows the short circuit and its harm, and draws a simple circuit diagram is the basic requirement for learning in this chapter. This chapter often examines the basic characteristics of the charged body and interaction laws, identify whether the common material in life is a conductor, serial and parallel circuit connection and complex series, parallel circuit identification, short circuit identification and simple circuit design.