收音机调小音量能省电吗?收音机音量旋钮相当于一个滑动变阻器,它与相关用电器串联能起到调节电流大小的作用,从而达到调节音量的大小,那么调小音量的时候能省电吗?能从电能电功的公
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 15:35:23
![收音机调小音量能省电吗?收音机音量旋钮相当于一个滑动变阻器,它与相关用电器串联能起到调节电流大小的作用,从而达到调节音量的大小,那么调小音量的时候能省电吗?能从电能电功的公](/uploads/image/z/7454061-45-1.jpg?t=%E6%94%B6%E9%9F%B3%E6%9C%BA%E8%B0%83%E5%B0%8F%E9%9F%B3%E9%87%8F%E8%83%BD%E7%9C%81%E7%94%B5%E5%90%97%3F%E6%94%B6%E9%9F%B3%E6%9C%BA%E9%9F%B3%E9%87%8F%E6%97%8B%E9%92%AE%E7%9B%B8%E5%BD%93%E4%BA%8E%E4%B8%80%E4%B8%AA%E6%BB%91%E5%8A%A8%E5%8F%98%E9%98%BB%E5%99%A8%2C%E5%AE%83%E4%B8%8E%E7%9B%B8%E5%85%B3%E7%94%A8%E7%94%B5%E5%99%A8%E4%B8%B2%E8%81%94%E8%83%BD%E8%B5%B7%E5%88%B0%E8%B0%83%E8%8A%82%E7%94%B5%E6%B5%81%E5%A4%A7%E5%B0%8F%E7%9A%84%E4%BD%9C%E7%94%A8%2C%E4%BB%8E%E8%80%8C%E8%BE%BE%E5%88%B0%E8%B0%83%E8%8A%82%E9%9F%B3%E9%87%8F%E7%9A%84%E5%A4%A7%E5%B0%8F%2C%E9%82%A3%E4%B9%88%E8%B0%83%E5%B0%8F%E9%9F%B3%E9%87%8F%E7%9A%84%E6%97%B6%E5%80%99%E8%83%BD%E7%9C%81%E7%94%B5%E5%90%97%3F%E8%83%BD%E4%BB%8E%E7%94%B5%E8%83%BD%E7%94%B5%E5%8A%9F%E7%9A%84%E5%85%AC)
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