What is the si unit of inductance?

The SI unit of inductance is the henry, symbolized as H. It's named after American scientist Joseph Henry who discovered electromagnetic induction independently around the same time as Michael Faraday. One henry is defined as the inductance of a closed circuit in which an electromotive force of one volt is produced when the electric current in the circuit varies uniformly at the rate of one ampere per second. In practice, you'll often see smaller units like: millihenry (mH) = 10⁻³ H microhenry (μH) = 10⁻⁶ H nanohenry (nH)* = 10⁻⁹ HInductance is a property of electrical circuits that opposes changes in current, and it's crucial in transformers, motors, and various electronic filters.