Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
RC 中： V(t) = V_infinity (1 - e^(-t/RC)) 。。验证。 时间？
RC 中： V(t) = V_infinity (1 - e^(-t/RC)) 。。验证。 时间？
Natural Language
Math Input
Extended Keyboard
