# Fundamental Physics/Electricity/Electric Decay

 ${\displaystyle {\frac {d}{dt}}i=-{\frac {1}{T}}i}$ ${\displaystyle i=Ae^{-{\frac {1}{T}}t}}$ ${\displaystyle T={\frac {L}{R}}}$ ${\displaystyle {\frac {d}{dt}}v=-{\frac {1}{T}}v}$ ${\displaystyle v=Ae^{-{\frac {1}{T}}t}}$ ${\displaystyle T=RC}$