Leumas Physics

RL Time Constant

τ = L_ind / R

What it says

How quickly current builds in an inductor through a resistance.

Symbols

SymbolQuantityDimension
τTime constant (s)T
L_indInductance (H)M L^2 T^-2 I^-2
RResistance (Ω)M L^2 T^-3 I^-2

Work it out

Enter what you know. No account needed.

Fill in all but one: L_ind, R, τ are all empty.

Filed under Electromagnetism · derive through it in the explorer