更改

</math>

</math>

|{{EquationRef|6}}}}

|{{EquationRef|6}}}}

[[文件:RC_Series_Filter_(with_V&I_Labels).png|300x500像素|none|缩略图|串联RC电路，左侧为输入电压，电阻值为 R，电容量为 C，输出电压为电容两端的电压。引自<ref name='wikipedia rc circuit'>https://en.wikipedia.org/wiki/RC_circuit</ref>]]

 

[[文件:RC_Series_Filter_(with_V&I_Labels).png|300x500像素|none|缩略图|串联RC电路，左侧为输入电压，电阻值为 R，电容量为 C，输出电压为电容两端的电压。引自<ref name="rc circuit">{{cite website|title=RC Circuit|url=https://en.wikipedia.org/wiki/RC_circuit}}</ref>]]

===推导过程===

===推导过程===