Known for its curly appearance, the novelty yarn lends a lovely effect on blankets, shawls & more. Shop JOANN for a wide collection of medium weight yarns. skip the shipping!
coil (plural coils) Something wound in the form of a helix or spiral. the sinuous coils of a snake. Washington Irving The wild grapevines that twisted their coils from tree to tree. Any intrauterine device (Abbreviation: IUD)âthe first IUDs were coil-shaped.
Coil whine is mechanical resonance of the coil with the frequency of the signal passing through it. Physically, a coil is just loops of wire, sometimes with a core other than air. If the frequency of the signal is in resonance with the physical wires of the coil, the coil may vibrate.