This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

电容问题



问一下,电容两端,一端输入正弦信号,一端悬空。电容内部是不是没有电荷的移动,电容两端的电压是怎么样的。2、电容两端一端输入正半轴的正弦信号,另外一端悬空,用示波器与输入信号共地测量,电容悬空端的信号,为什么在负半轴还有波形。