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.
Tensão da rede: V(t) = 311sin(120pi t) V. Calcule a tensão eficaz V_(ef) = V_0/\sqrt 2
Tensão da rede: V(t) = 311sin(120pi t) V. Calcule a tensão eficaz V_(ef) = V_0/\sqrt 2
Natural Language
Math Input
Extended Keyboard
