Introduction to Coils and Magnetic Fields

What happens here

The video opens with a master electrician dad asking his apprentice sons to define a coil. He then explains that a coil is essentially a loop of conductive wire. When this wire is energized with an electric current, it generates a magnetic field. This explanation is supported by a graphical illustration showing current flow through an inductor (coil) and the resulting magnetic field lines.

Goal: Define what a coil is and how it creates a magnetic field when energized.