Compute the RL time constant from inductance L and resistance R using τ = L/R for transient-circuit analysis.
输入电感 L 与电阻 R,求 RL 电路时间常数。
| Item | Standard / Source | Key Point |
|---|---|---|
| RL time constant | Transient circuit analysis; Classic electromagnetism (Griffiths, Electrodynamics) | tau = L/R; 63.2% rise per tau |