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  2. Ohm's law - Wikipedia

    en.wikipedia.org/wiki/Ohm's_law

    Similarly, the rate of flow of electrical charge, that is, the electric current, through an electrical resistor is proportional to the difference in voltage measured across the resistor. More generally, the hydraulic head may be taken as the analog of voltage, and Ohm's law is then analogous to Darcy's law which relates hydraulic head to the ...

  3. The History and Present State of Electricity - Wikipedia

    en.wikipedia.org/wiki/The_History_and_Present...

    The second and more influential half contents a description of contemporary theories about electricity and suggestions for future research. Priestley also wrote about the construction and use of electrical machines, basic electrical experiments and "practical maxims for the usw of young elecricians".

  4. Electricity - Wikipedia

    en.wikipedia.org/wiki/Electricity

    The study of electrical phenomena dates back to antiquity, with theoretical understanding progressing slowly until the 17th and 18th centuries. The development of the theory of electromagnetism in the 19th century marked significant progress, leading to electricity's industrial and residential application by electrical engineers by the century ...

  5. 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 ...

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  7. Electronic circuit - Wikipedia

    en.wikipedia.org/wiki/Electronic_circuit

    It is a type of electrical circuit. For a circuit to be referred to as electronic, rather than electrical, generally at least one active component must be present. The combination of components and wires allows various simple and complex operations to be performed: signals can be amplified, computations can be performed, and data can be moved ...

  8. Glossary of electrical and electronics engineering - Wikipedia

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

    An electrical contact that connects some medium to an electric circuit, such as in an electrochemical cell or a vacuum tube. electro-diesel locomotive A railway locomotive with a diesel engine, generator, and electric driving motors that can be powered by the diesel engine or the track electrical supply. electrodynamics

  9. Outline of physics - Wikipedia

    en.wikipedia.org/wiki/Outline_of_physics

    Relativity – theory of physics which describes the relationship between space and time. General Relativity – a geometric, non-quantum theory of gravitation. Special Relativity – a theory that describes the propagation of matter and light at high speeds. Other. Agrophysics – the study of physics applied to agroecosystems