When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Electrical telegraph - Wikipedia

    en.wikipedia.org/wiki/Electrical_telegraph

    Hughes telegraph, an early (1855) teleprinter built by Siemens and Halske. Electrical telegraphy is a point-to-point text messaging system, primarily used from the 1840s until the late 20th century. It was the first electrical telecommunications system and the most widely used of a number of early messaging systems called telegraphs, that were ...

  3. Crossword abbreviations - Wikipedia

    en.wikipedia.org/wiki/Crossword_abbreviations

    Roman numerals: for example the word "six" in the clue might be used to indicate the letters VI; The name of a chemical element may be used to signify its symbol; e.g., W for tungsten; The days of the week; e.g., TH for Thursday; Country codes; e.g., "Switzerland" can indicate the letters CH; ICAO spelling alphabet: where Mike signifies M and ...

  4. Electrical network - Wikipedia

    en.wikipedia.org/wiki/Electrical_network

    A simple electric circuit made up of a voltage source and a resistor. Here, =, according to Ohm's law. An electrical network is an interconnection of electrical components (e.g., batteries, resistors, inductors, capacitors, switches, transistors) or a model of such an interconnection, consisting of electrical elements (e.g., voltage sources, current sources, resistances, inductances ...

  5. Glossary of rail transport terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_rail_transport...

    An electrical unit expressing the rate at which energy is transformed, or work done. It is used to express the product of the voltage of an electric circuit and the current or amperage. As it is a very small unit, a multiple of it, 1,000 times as large, and called a kilowatt, is commonly used. One kilowatt is about 1.34 horsepower. Way car

  6. Network analysis (electrical circuits) - Wikipedia

    en.wikipedia.org/wiki/Network_analysis...

    In electrical engineering and electronics, a network is a collection of interconnected components. Network analysis is the process of finding the voltages across, and the currents through, all network components. There are many techniques for calculating these values; however, for the most part, the techniques assume linear components.

  7. Electrical connector - Wikipedia

    en.wikipedia.org/wiki/Electrical_connector

    Most electrical connectors have a gender – i.e. the male component, called a plug, connects to the female component, or socket. Thousands of configurations of connectors are manufactured for power, data, and audiovisual applications. [3] Electrical connectors can be divided into four basic categories, differentiated by their function: [4]

  8. North American power transmission grid - Wikipedia

    en.wikipedia.org/wiki/North_American_power...

    The electric power transmission grid of the contiguous United States consists of 120,000 miles (190,000 km) of lines operated by 500 companies. The electrical power grid that powers Northern America is not a single grid, but is instead divided into multiple wide area synchronous grids. [1] The Eastern Interconnection and the Western ...

  9. Glossary of electrical and electronics engineering - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_electrical_and...

    A device used to join metals by melting them with an electric arc. armature. That part of an electrical machine that converts electrical energy to mechanical energy (or vice versa). artificial intelligence. A computer system that replicates some feature of human intelligence. artificial neural network.