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第二章、恒定电流 PowerPoint PPT Presentation


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第二章、恒定电流. 一、电源和电流. 高安中学 孙经华. 上一章我们学习了电荷在没有定向移动时产生的现象、规律及应用,从这一章开始我们就要进一步来学习电荷在有定向移动时产生的现象、规律及应用,以进一步加深对电的认识,因此本章是电学部分的重点章,它不但为后面的学习打下基础,而且还有较大的实用价值,是学习电工学和电子技术的基础,对日常生活和生产实际中正确使用电器也很有用。和上一章一样,本章同样是在初中所学知识基础上加以提高和扩展的,故仍须十分重视才能学好它。.

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第二章、恒定电流

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