a wire or metal object wound in a spiral pattern a core made of metal, paper, or plastic a winding around the core which can be uniform or of varying widths two or more leads extending from the coil a variety of shapes and sizes, depending on the application
coil which is a wire or metal object wound in a spiral pattern coil which is a core made of metal, paper, or plastic coil which is a winding around the core which can be uniform or of varying widths coil which has two or more leads extending from the coil coil which is a variety of shapes and sizes, depending on the application