RL transient
3 parts
An inductor resists a CHANGE in current, so a square wave into R–L gives an exponential ramp instead of a step — and when the drive collapses, the coil forces the current to keep flowing, swinging the node hard negative. The mirror image of the RC charge curve.
- V1 10V·100Hz
- R1 10Ω
- L1 10mH
