Időállandó (C,L,R)

C,L←R,τ R = ←L,τ ←C,τ ←C,L = ←L,R ←C,R ←C,L ☺ C = \(C=\dfrac{\tau}{R}\) L = \(L=R\cdot\tau\)	C,R←L,τ L = ←R,τ ←C,τ ←C,R = ←L,R ←C,R ←C,L ☺ C = \(C=\dfrac{\tau^2}{L}\) R = \(R=\dfrac{L}{\tau}\)
C,τ←L,R L = ←R,τ ←C,τ ←C,R R = ←L,τ ←C,τ ←C,L ☺ ☺ C = \(C=\dfrac{L}{R^2}\) = \(\tau=\dfrac{L}{R}\)	L,R←C,τ C = ←L,τ ←L,τ ←L,R = ←L,R ←C,R ←C,L ☺ L = \(L=\dfrac{r^2}{C}\) R = \(R=\dfrac{\tau}{C}\)
L,τ←C,R C = ←R,τ ←L,τ ←L,R R = ←L,τ ←C,τ ←C,L ☺ ☺ L = \(L=C\cdot R^2\) = \(\tau=C\cdot R\)	R,τ←C,L C = ←R,τ ←L,τ ←L,R L = ←R,τ ←C,τ ←C,R ☺ ☺ R = \(R=\sqrt{\dfrac{L}{C}}\) = \(\tau=\sqrt{C\cdot L}\)

C←R,t,Ub,UC R = ←C,t,U,U t = ←C,R,U,U Ub = UC = ←C,R.t,U ☺ C↑ = \(C_\uparrow=-\dfrac{t}{R\cdot\ln\left(1-\dfrac{U_C}{U_b}\right)}\) C↓ = \(C_\downarrow=-\dfrac{t}{R\cdot\ln\left(\dfrac{U_C}{U_b}\right)}\)	R←C,t,Ub,UC C = ←R,t,U,U t = ←C,R,U,U Ub = UC = ←C,R,t,U ☺ R↑ = \(R_\uparrow=-\dfrac{t}{C\cdot\ln\left(1-\dfrac{U_C}{U_b}\right)}\) R↓ = \(R_\downarrow=-\dfrac{t}{C\cdot\ln\left(\dfrac{U_C}{U_b}\right)}\)
t←C,R,Ub,UC C = ←R,t,U,U R = ←C,t,U,U Ub = UC = ←C,R,t,U ☺ ☺ t↑ = \(t_\uparrow=-C\cdot R\cdot \ln\left(1-\dfrac{U_C}{U_b}\right)\) t↓ = \(t_\downarrow=-C\cdot R\cdot\ln\left(\dfrac{U_C}{U_b}\right)\)	UC←C,R,t,Ub C = ←R,t,U,U R = ←C,t,U,U t = ←C,R,U,U Ub = ☺ U↑ = \(U_{C\uparrow}=U_b\cdot\left(1-e^{-\dfrac{t}{R\cdot C}}\right)\) U↓ = \(U_{C\downarrow}=U_b\cdot e^{-\dfrac{t}{R\cdot C}}\) |I| = \(|I|=\dfrac{U_b\cdot e^{-\dfrac{t}{R\cdot C}}}{R}\)