working direct current
51Power supply — For the Budgie album, see Power Supply (album). A vacuum tube rackmount adjustable power supply, capable of +/ 1500 volts DC, 0 to 100mA output, with amperage limiting capability. A power supply is a device that supplies electrical energy …
52Capacitor — This article is about the electronic component. For the physical phenomenon, see capacitance. For an overview of various kinds of capacitors, see types of capacitor. Capacitor Modern capacitors, by a cm ruler Type Passive …
53War of Currents — In the War of Currents era (sometimes, War of the Currents or Battle of Currents ) in the late 1880s, George Westinghouse and Thomas Edison became adversaries due to Edison s promotion of direct current (DC) for electric power distribution over… …
54Modern history — Modern and Modern Age redirect here. For other uses, see Modern (disambiguation) and Modern Age (disambiguation). Human history This box: view · talk · …
55Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …
56Organic light-emitting diode — Demonstration of a flexible OLED device A green emitting OLED device An …
57Electric shock — Electrocute redirects here. For the band, see Electrocute (band). An electric shock can occur upon contact of a human s body with any source of voltage high enough to cause sufficient current through the muscles or hair. The minimum current a… …
58Electric vehicle — Sustainable energy Renewable energy …
59Hydro-Québec — Type Government owned corporation Industry Electric Utilities Founded …
60History of CPR — Cardiopulmonary resuscitation is an important life saving first aid skill, practised throughout the world. It is the only known effective method of keeping someone who has suffered cardiac arrest alive long enough for definitive treatment to be… …
