Define Coil Span? All Questions › Category: Electrical Machines › Define Coil Span? 0 Vote Up Vote Down Akash Tiwari asked 4 years ago 1 Answers 0 Vote Up Vote Down Akash Tiwari answered 4 years ago Coil Span is defined as the distance between the two coil sides of a coil. We can also express it in electrical degrees or many slots.