secondary of a transformer
81Single-wire earth return — (SWER) or single wire ground return is a single wire transmission line for supplying single phase electrical power from an electrical grid to remote areas at low cost. It is principally used for rural electrification, but also finds use for… …
82Witwicky family — The Witwicky family members are fictional characters from the Transformers universes, and are the closest human allies of the Autobots. Contents 1 Archibald Witwicky 2 Buster Witwicky …
83Electric arc furnace — An electric arc furnace (EAF) is a furnace that heats charged material by means of an electric arc. Arc furnaces range in size from small units of approximately one ton capacity (used in foundries for producing cast iron products) up to about 400 …
84Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …
86Oil Campaign chronology of World War II — Main articles: Oil Campaign of World War II and Oil Campaign targets of World War II The Oil Campaign chronology of World War II lists bombing missions and related events regarding the petroleum/oil/lubrication (POL) facilities that supplied Nazi …
87Coil — Winding redirects here. For other uses, see Winding (disambiguation). For other uses, see Coil (disambiguation). A coil is a series of loops. A coiled coil is a structure in which the coil itself is in turn also looping. Contents 1… …
88Inverter (electrical) — An inverter is an electrical device that converts direct current (DC) to alternating current (AC)[1]; the converted AC can be at any required voltage and frequency with the use of appropriate transformers, switching, and control circuits. Solid… …
89Megatron — For other uses, see Megatron (disambiguation). Not to be confused with Pegatron. Megatron is a character from the Transformers franchise, created by toy companies Hasbro and Takara. He is the primary antagonist and leader of the evil faction… …
90Inductance — Electromagnetism Electricity · …
