Single Layer Coil Calculator

The inductor coil is made of wires wound around an insulating tube. The wires are insulated from each other. The insulating tube can be hollow or contain an iron core or magnetic powder core. The inductance of the coil is represented by L, and the units are Henry (H), milli-Henry (mH), and micro-Henry (μH), 1H=10^3mH=10^6μH.
The electrical characteristics of the inductor coil are opposite to those of the capacitor, "passing low frequencies and blocking high frequencies." High-frequency signals have difficulty passing through, while low-frequency signals present less resistance. The resistance presented by the inductor coil to the current signal is what we call "inductance" for short.