An electromagnetic coil is an electrical conductor such as a wire in the shape of a coil (spiral or helix). Electromagnetic coils are used in electrical...
20 KB (2,464 words) - 18:45, 19 June 2024
noise, electromagnetic acoustic noise, lamination vibration or electromagnetically induced acoustic noise, or more rarely, electrical noise, or "coil noise"...
20 KB (2,480 words) - 12:19, 22 March 2024
two electromagnets on the same axis, carrying an equal electric current in the same direction. Besides creating magnetic fields, Helmholtz coils are also...
15 KB (2,250 words) - 14:43, 27 July 2024
many different combinations of coils and magnets trying to create the first electromagnetic guitar pickup. His earliest coils were wound using a motor from...
13 KB (1,601 words) - 21:39, 12 June 2024
An ignition coil is used in the ignition system of a spark-ignition engine to transform the battery voltage to the much higher voltages required to operate...
7 KB (884 words) - 00:26, 9 January 2024
A Rogowski coil, named after Walter Rogowski, is an electrical device for measuring alternating current (AC) or high-speed current pulses. It sometimes...
11 KB (1,457 words) - 08:11, 23 November 2023
Solenoid (redirect from Solenoid coil)
A solenoid (/ˈsoʊlənɔɪd/) is a type of electromagnet formed by a helical coil of wire whose length is substantially greater than its diameter, which generates...
21 KB (2,997 words) - 12:08, 25 June 2024
A bifilar coil is an electromagnetic coil that contains two closely spaced, parallel windings. In electrical engineering, the word bifilar describes wire...
7 KB (818 words) - 16:24, 11 November 2023
hyperthermia therapy A common tractive electromagnet is a uniformly-wound solenoid and plunger. The solenoid is a coil of wire, and the plunger is made of...
50 KB (5,555 words) - 03:34, 17 July 2024
Tattoo machine (section Coil Machine Mechanisms)
marking of the skin with indelible ink. Modern tattoo machines use electromagnetic coils to move an armature bar up and down. Connected to the armature bar...
14 KB (1,965 words) - 04:11, 1 August 2024
MagneRide (section Dual coils)
dampers is a piston containing two electromagnetic coils and two small fluid passages through the piston. The electromagnets are able to create a variable...
14 KB (1,338 words) - 10:49, 15 July 2024
force between two surfaces Inductor or coil, a passive two-terminal electrical component Electromagnetic coil, formed when a conductor is wound around...
2 KB (328 words) - 04:05, 30 June 2023
A field coil is an electromagnet used to generate a magnetic field in an electro-magnetic machine, typically a rotating electrical machine such as a motor...
9 KB (1,087 words) - 15:33, 6 July 2024
manifestations of electromagnetic induction. For example, he saw transient currents when he quickly slid a bar magnet in and out of a coil of wires, and he...
25 KB (2,846 words) - 15:44, 20 June 2024
A voice coil (consisting of a former, collar, and winding) is the coil of wire attached to the apex of a loudspeaker cone. It provides the motive force...
10 KB (1,343 words) - 15:51, 29 June 2024
A Tesla coil is an electrical resonant transformer circuit designed by inventor Nikola Tesla in 1891. It is used to produce high-voltage, low-current,...
89 KB (9,900 words) - 02:12, 28 June 2024
In electrical engineering, coil winding is the manufacture of electromagnetic coils. Coils are used as components of circuits, and to provide the magnetic...
64 KB (9,791 words) - 15:33, 16 August 2024
radiofrequency portion of the electromagnetic spectrum. Although the electromagnetic fields produced by the transmitting coil are in the RF range of tens...
5 KB (719 words) - 06:33, 3 August 2024
Solenoid (engineering) (category Electromagnetic coils)
linear motion. In electromagnetic technology, a solenoid is an actuator assembly with a sliding ferromagnetic plunger inside the coil. Without power, the...
14 KB (2,020 words) - 18:43, 19 June 2024
Humbucker (redirect from Coil split)
microphones to cancel electromagnetic hum. Humbuckers are one of two main types of guitar pickups. The other is single coil. The "humbucking coil" was invented...
18 KB (2,404 words) - 08:44, 14 August 2024
A loading coil or load coil is an inductor that is inserted into an electronic circuit to increase its inductance. The term originated in the 19th century...
33 KB (4,649 words) - 19:31, 8 July 2024
Magnetic levitation (redirect from Electromagnetic levitation)
actuation is the use of electromagnetic coils to produce a magnetic field. By generating a magnetic field, electromagnetic coils have been used as a tool...
65 KB (9,685 words) - 18:31, 19 August 2024
A Maxwell coil is an improvement of a Helmholtz coil: in operation it provides an even more uniform magnetic field (than a Helmholtz coil), but at the...
4 KB (432 words) - 04:22, 31 July 2024
Reed switch (category Electromagnetic components)
when a magnetic field is applied. The switch may be actuated by an electromagnetic coil, making a reed relay, or by bringing a permanent magnet near it....
16 KB (1,920 words) - 15:04, 19 August 2024
Choke (electronics) (redirect from Choke coil)
(DC) and lower-frequency ACs in a circuit. A choke usually consists of a coil of insulated wire often wound on a magnetic core, although some consist of...
9 KB (1,053 words) - 22:22, 27 November 2023
of the phenomenon. The term electromagnetic propulsion (EMP) can be described by its individual components: electromagnetic – using electricity to create...
15 KB (1,807 words) - 20:18, 14 August 2024
In electrical engineering, electromagnetic shielding is the practice of reducing or redirecting the electromagnetic field (EMF) in a space with barriers...
21 KB (2,542 words) - 14:45, 17 July 2024
Polyphase coils are electromagnetic coils connected together in a polyphase system such as a generator or motor. In modern systems, the number of phases...
2 KB (246 words) - 13:45, 13 January 2022
magnetic field that passes through the coil, inducing a current in the coil by the process of electromagnetic induction. As the bump moves past, this...
4 KB (481 words) - 04:38, 28 April 2024