sum transformer
91Power factor — For other uses, see Power factor (pistol). The power factor of an AC electric power system is defined as the ratio of the real power flowing to the load over the apparent power in the circuit,[1][2] and is a dimensionless number between 0 and 1… …
92Photodiode — Three Si and one Ge (bottom) photodiodes Symbol for photodiode …
93Electromotive force — (emf, mathcal{E}) is a term used to characterize electrical devices, such as voltaic cells, thermoelectric devices, electrical generators and transformers, and even resistors. For a given device, if an electric charge Q passes through that device …
94Defibrillation — View of defibrillator electrode position and placement. Defibrillation is a common treatment for life threatening cardiac arrhythmias, ventricular fibrillation and pulseless ventricular tachycardia. Defibrillation consists of delivering a… …
95Variometer — The term Variometer also refers to a type of tunable electrical transformer A variometer (also known as a rate of climb indicator, a vertical speed indicator (VSI), or a vertical velocity indicator (VVI)) is an instrument in an aircraft used to… …
96Wind power — Wind power: worldwide installed capacity [1] …
97Regenerative circuit — The regenerative circuit (or self regenerative circuit) allows an electronic signal to be amplified many times by the same vacuum tube or other active component such as a field effect transistor.Description Regenerative circuits were employed in… …
98Coercivity — This article is about a property of magnetic fields. For other meanings, see Coercion (disambiguation). A family of hysteresis loops for grain oriented electrical steel (BR denotes remanence and HC is the coercivity). In materials science, the… …
99Berlin U-Bahn — Infobox Public transit name = Berlin U Bahn imagesize = 80px locale = Berlin transit type = Rapid transit began operation = 1902 ended operation = system length = km to mi|151.7|abbr=yes|precision=1 lines = 9 vehicles = stations = 170 ridership …
100Electronic organ — Yamaha GX1, a synthesizer organ in 1970s WERSI Scala, an …
