coil
electrical component
deflection yoke
kind of magnetic lens, used in cathode ray tubes (CRT) to scan the electron beam both vertically and horizontally over the whole screen
solenoid
type of electromagnet with cylindrical conductor
bifilar coil
electromagnetic coil containing two closely spaced parallel windings
Helmholtz coil
arrangement of two circular coils with distance equal to radius for a homogeneous magnetic field in the center
loading coil
Historic cable type
choke
type of electronic inductor
voice coil
coil of electrical wire attached to the apex of a loudspeaker cone or dome, produces magnetic field due to the electrical sound signal which interacts with permanent magnet and makes the diaphragm vibrate and produce sound