winding end of the transformer
61Particle accelerator — Atom smasher redirects here. For other uses, see Atom smasher (disambiguation). A 1960s single stage 2 MeV linear Van de Graaff accelerator, here opened for maintenance A particle accelerator[1] is a device that uses electromagnetic fields to… …
62Scientist (musician) — Infobox musical artist Img capt = Scientist in 1980 Name = Hopeton Brown Background = group or band Alias = Scientist Origin = flagicon|Jamaica Jamaica Genre = Dub Years active = Label = Greensleeves Records (originally) Tuff GongScientist, born… …
63Cathode heater — A cathode heater is a filament used to heat the cathode in a vacuum tube or cathode ray tube. Before transistors and integrated circuits came into widespread use, electronic devices used vacuum tubes. The cathode element had to achieve the… …
64Magnetic circuit — Magnetic Circuits Conventional Magnetic Circuits Magnetomotive force Magnetic flux Φ Magnetic reluctance Phasor Magnetic Circuits Complex reluctance Zμ …
65Electrical ballast — Choke ballast (inductor) used in older lighting. This example is from a tanning bed. Requires a lamp starter (below) and capacitor …
66Harry Ward Leonard — Infobox Scientist name = Harry Ward Leonard box width = image width = 229px caption = Harry Ward Leonard birth date = February 8, 1861 birth place = Cincinnati, Ohio, U.S.A death date = February 18, 1915 death place = New York, U.S.A residence =… …
67Mesa Boogie — The Mesa Boogie logo Mesa/Boogie (also known as Mesa Engineering) is a company in Petaluma, California that makes amplifiers for guitars and basses. It has been in operation since 1969. Mesa was started by Randall Smith as a small repair shop… …
681ESS switch — The Number One Electronic Switching System, the first large scale Stored Program Control (SPC) telephone exchange or Electronic Switching System in the Bell System, was introduced in Succasunna, New Jersey, in May 1965[1]. The switching fabric… …
69Washington and Old Dominion Railroad — The Washington and Old Dominion Railroad (colloquially referred to as the W OD) was an intrastate short line railroad located in Northern Virginia. Its oldest line extended from Alexandria on the Potomac River northwest to Bluemont at the foot of …
70Proximity effect (electromagnetism) — In a conductor carrying current, if currents are flowing through one or more other nearby conductors, such as within a closely wound coil of wire, the distribution of current within the first conductor will be constrained to smaller regions. The… …
