capacitance ratio
101Meter (electronics) — In electronics, a Meter may refer to: A multimeter is a general purpose test instrument A voltmeter is a specialized meter measuring voltage An ammeter is a specialized meter measuring electric current An ohmmeter is a specialized meter measuring …
102Wireless energy transfer — or wireless power is the transmission of electrical energy from a power source to an electrical load without artificial interconnecting conductors. Wireless transmission is useful in cases where interconnecting wires are inconvenient, hazardous,… …
103RONJA — (Reasonable Optical Near Joint Access) is a Free Space Optics device originating in the Czech Republic. It transmits data wirelessly using beams of light. Ronja can be used to replace a segment of LAN, and one can enjoy all activities as if they… …
104RONJA — Une seule DEL haute luminosité avec une lentille simple loupe crée un faisceau lumineux étroit permettant de transmettre un flux vidéo sur le quartier. Quelques pas à côté et le faisceau devient invisible …
105Osmotic power — Renewable energy Biofuel Biomass Geothermal Hydroelectricity Solar energy Tidal power Wave power Wind power …
106Ignition 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 …
107Sallen–Key filter — A Sallen–Key filter is a type of active filter, particularly valued for its simplicity. The circuit produces a 2 pole (12 dB/octave) lowpass or highpass response using two resistors, two capacitors and (usually) a unity gain buffer amplifier.… …
108Maxwell's equations — For thermodynamic relations, see Maxwell relations. Electromagnetism …
109Wheatstone bridge — A Wheatstone bridge is a measuring instrument invented by Samuel Hunter Christie in 1833 and improved and popularized by Sir Charles Wheatstone in 1843. It is used to measure an unknown electrical resistance by balancing two legs of a bridge… …
110VHS — Infobox media name = Video Home System | caption = Top view of VHS cassette with ruler for scale type = Video recording media encoding = FM on magnetic tape common lengths = 120, 160 minutes (Standard Play Mode) unusual lengths = 5, 10, 15, 30,… …
