a capacitor charges
51Switched-mode power supply — switched mode power supply. A bridge rectifier B Input filter capacitors C Transformer D output filter coil E output filter capacitors ] A switched mode power supply, switching mode power supply or SMPS, is an electronic power supply unit (PSU)… …
52Ignition system — For other uses, see Ignition system (disambiguation). An ignition system is a system for igniting a fuel air mixture. Ignition systems are well known in the field of internal combustion engines such as those used in petrol (gasoline) engines used …
53Memristor — Type Passive Working principle Memristance Invented Leon Chua (1971) First production HP Labs (2008) Electronic symbol …
54dielectric — dielectrically, adv. /duy i lek trik/, Elect. n. 1. a nonconducting substance; insulator. 2. a substance in which an electric field can be maintained with a minimum loss of power. adj. 3. of or pertaining to a dielectric substance. [1830 40; DI 3 …
55Maxwell's equations — For thermodynamic relations, see Maxwell relations. Electromagnetism …
56Coilgun — Gauss gun redirects here. For fictional weapons of this type, see electromagnetic projectile devices (fiction). Not to be confused with railgun. Simplified diagram of a multistage coilgun with three coils, a barrel, and a ferromagnetic projectile …
57dielectric constant — Elect. permittivity. [1870 75] * * * ▪ physics property of an electrical insulating material (a dielectric) equal to the ratio of the capacitance of a capacitor filled with the given material to the capacitance of an identical capacitor in… …
58Polychlorinated biphenyl — PCBs redirects here. For printed circuit boards, see printed circuit board. Labelling transformers containing PCBs …
59Rechargeable battery — A rechargeable lithium polymer Nokia mobile phone battery …
60Relativistic electromagnetism — is the idea of explaining electromagnetism based on relativistic (Albert Einstein 1905) arguments. It was first put forward in 1963 by Edward M. Purcell who wrote an innovative electromagnetism text in which he used special relativity to derive… …
