Linked from
The 23 pages that link to Inductor, each with the reason it gives.
LC circuitBroader topic: Its magnetic field stores energy as the capacitor discharges.
Circuit analysisBroader topic: Its behavior introduces current dynamics into circuit equations.
Magnetic energyBroader topic: Its stored energy is a direct practical instance of magnetic energy.
Analogue electronicsBroader topic: Inductors shape frequency response and form resonant circuits.