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67 relations: Alternating current, Ampere, Angular momentum, ANU Research School of Physics and Engineering, Arthur I. Miller, Australian National University, Barlow's wheel, Binary star, Black hole, Bo Thidé, Brush (electric), Carl-Gunne Fälthammar, Charles Batchelor, Charles Proteus Steinmetz, Commutator (electric), Cross product, Direct current, Dynamo, Electric generator, Electric motor, Electrical energy, Electrical polarity, Electrical resistivity and conductivity, Electrolysis, Electromagnetic induction, Electromotive force, Electron, Elihu Thomson, Faraday paradox, Faraday's law of induction, Flywheel, Galaxy, Gallium, George Forbes (scientist), Hannes Alfvén, Homopolar motor, Internal resistance, Ionosphere, Joule, Kinetic energy, Linear motor, Lorentz force, Magnet, Magnetic field, Magnetic flux, Mark Oliphant, Mercury (element), Michael Faraday, Moon, Negative resistance, ..., Neon, Nikola Tesla, Phenomenon, Plasma (physics), Pulley, Railgun, Rudolf Eickemeyer, Sebastian Ziani de Ferranti, Slip ring, Sodium-potassium alloy, Sunspot, Synchrotron, Uppsala University, Uranus, Velocity, Venus, Welding. Expand index (17 more) »
Alternating current
Alternating current (AC) is an electric current which periodically reverses direction, in contrast to direct current (DC) which flows only in one direction.
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Ampere
The ampere (symbol: A), often shortened to "amp",SI supports only the use of symbols and deprecates the use of abbreviations for units.
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Angular momentum
In physics, angular momentum (rarely, moment of momentum or rotational momentum) is the rotational equivalent of linear momentum.
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ANU Research School of Physics and Engineering
The Research School of Physics and Engineering (RSPE) was established with the creation of the Australian National University (ANU) in 1947.
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Arthur I. Miller
Arthur I. Miller is Emeritus Professor of History and Philosophy of Science at University College London.
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Australian National University
The Australian National University (ANU) is a national research university located in Canberra, the capital of Australia.
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Barlow's wheel
An 1842 diagram of Barlow's wheel Barlow's wheel was an early demonstration of a homopolar motor, designed and built by English mathematician and physicist, Peter Barlow in 1822.
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Binary star
A binary star is a star system consisting of two stars orbiting around their common barycenter.
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Black hole
A black hole is a region of spacetime exhibiting such strong gravitational effects that nothing—not even particles and electromagnetic radiation such as light—can escape from inside it.
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Bo Thidé
Bo Y. Thidé (born in Gothenburg, Sweden) is a Swedish physicist who studies radio waves and other electromagnetic radiation in space, particularly their interaction with matter and fields.
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Brush (electric)
A brush is a device which conducts current between stationary wires and moving parts, most commonly in a rotating shaft.
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Carl-Gunne Fälthammar
Carl-Gunne Fälthammar (born December 4, 1931, Markaryd, Sweden) is Professor Emeritus at the Royal Institute of Technology in Stockholm, Sweden, specialising in space and plasma physics in the School of Electrical Engineering.
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Charles Batchelor
Charles W. Batchelor (December 25, 1845 – January 1, 1910) was an inventor and close associate of American inventor Thomas Alva Edison during much of Edison’s career.
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Charles Proteus Steinmetz
Charles Proteus Steinmetz (born Karl August Rudolph Steinmetz, April 9, 1865 – October 26, 1923) was a German-born American mathematician and electrical engineer and professor at Union College.
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Commutator (electric)
A commutator is a rotary electrical switch in certain types of electric motors and electrical generators that periodically reverses the current direction between the rotor and the external circuit.
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Cross product
In mathematics and vector algebra, the cross product or vector product (occasionally directed area product to emphasize the geometric significance) is a binary operation on two vectors in three-dimensional space \left(\mathbb^3\right) and is denoted by the symbol \times.
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Direct current
Direct current (DC) is the unidirectional flow of electric charge.
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Dynamo
A dynamo is an electrical generator that creates direct current using a commutator.
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Electric generator
In electricity generation, a generator is a device that converts motive power (mechanical energy) into electrical power for use in an external circuit.
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Electric motor
An electric motor is an electrical machine that converts electrical energy into mechanical energy.
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Electrical energy
Electrical energy is the energy newly derived from electric potential energy or kinetic energy.
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Electrical polarity
Electrical polarity is a term used throughout industries and fields that involve electricity.
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Electrical resistivity and conductivity
Electrical resistivity (also known as resistivity, specific electrical resistance, or volume resistivity) is a fundamental property that quantifies how strongly a given material opposes the flow of electric current.
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Electrolysis
In chemistry and manufacturing, electrolysis is a technique that uses a direct electric current (DC) to drive an otherwise non-spontaneous chemical reaction.
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Electromagnetic induction
Electromagnetic or magnetic induction is the production of an electromotive force (i.e., voltage) across an electrical conductor in a changing magnetic field.
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Electromotive force
Electromotive force, abbreviated emf (denoted \mathcal and measured in volts), is the electrical intensity or "pressure" developed by a source of electrical energy such as a battery or generator.
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Electron
The electron is a subatomic particle, symbol or, whose electric charge is negative one elementary charge.
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Elihu Thomson
Elihu Thomson (March 29, 1853 – March 13, 1937) was an English-born American engineer and inventor who was instrumental in the founding of major electrical companies in the United States, the United Kingdom and France.
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Faraday paradox
The Faraday paradox or Faraday's paradox is any experiment in which Michael Faraday's law of electromagnetic induction appears to predict an incorrect result.
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Faraday's law of induction
Faraday's law of induction is a basic law of electromagnetism predicting how a magnetic field will interact with an electric circuit to produce an electromotive force (EMF)—a phenomenon called electromagnetic induction.
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Flywheel
A flywheel is a mechanical device specifically designed to efficiently store rotational energy.
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Galaxy
A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.
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Gallium
Gallium is a chemical element with symbol Ga and atomic number 31.
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George Forbes (scientist)
Prof George Forbes FRS FRSE FRAS (5 April 1849 – 22 October 1936) was an electrical engineer, astronomer, explorer, author and inventor, some of whose inventions are still in use.
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Hannes Alfvén
Hannes Olof Gösta Alfvén (30 May 1908 – 2 April 1995) was a Swedish electrical engineer, plasma physicist and winner of the 1970 Nobel Prize in Physics for his work on magnetohydrodynamics (MHD).
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Homopolar motor
A homopolar motor is a direct current electric motor with two magnetic poles, the conductors of which always cut unidirectional lines of magnetic flux by rotating a conductor around a fixed axis so that the conductor is at right angles to a static magnetic field.
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Internal resistance
A practical electrical power source which is a linear electric circuit may, according to Thévenin's theorem, be represented as an ideal voltage source in series with an impedance.
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Ionosphere
The ionosphere is the ionized part of Earth's upper atmosphere, from about to altitude, a region that includes the thermosphere and parts of the mesosphere and exosphere.
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Joule
The joule (symbol: J) is a derived unit of energy in the International System of Units.
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Kinetic energy
In physics, the kinetic energy of an object is the energy that it possesses due to its motion.
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Linear motor
A linear motor is an electric motor that has had its stator and rotor "unrolled" so that instead of producing a torque (rotation) it produces a linear force along its length.
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Lorentz force
In physics (particularly in electromagnetism) the Lorentz force is the combination of electric and magnetic force on a point charge due to electromagnetic fields.
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Magnet
A magnet is a material or object that produces a magnetic field.
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Magnetic field
A magnetic field is a vector field that describes the magnetic influence of electrical currents and magnetized materials.
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Magnetic flux
In physics, specifically electromagnetism, the magnetic flux (often denoted or) through a surface is the surface integral of the normal component of the magnetic field B passing through that surface.
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Mark Oliphant
Sir Marcus Laurence Elwin "Mark" Oliphant (8 October 1901 – 14 July 2000) was an Australian physicist and humanitarian who played an important role in the first experimental demonstration of nuclear fusion and also the development of nuclear weapons.
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Mercury (element)
Mercury is a chemical element with symbol Hg and atomic number 80.
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Michael Faraday
Michael Faraday FRS (22 September 1791 – 25 August 1867) was an English scientist who contributed to the study of electromagnetism and electrochemistry.
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Moon
The Moon is an astronomical body that orbits planet Earth and is Earth's only permanent natural satellite.
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Negative resistance
In electronics, negative resistance (NR) is a property of some electrical circuits and devices in which an increase in voltage across the device's terminals results in a decrease in electric current through it.
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Neon
Neon is a chemical element with symbol Ne and atomic number 10.
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Nikola Tesla
Nikola Tesla (Никола Тесла; 10 July 1856 – 7 January 1943) was a Serbian-American inventor, electrical engineer, mechanical engineer, physicist, and futurist who is best known for his contributions to the design of the modern alternating current (AC) electricity supply system.
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Phenomenon
A phenomenon (Greek: φαινόμενον, phainómenon, from the verb phainein, to show, shine, appear, to be manifest or manifest itself, plural phenomena) is any thing which manifests itself.
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Plasma (physics)
Plasma (Henry George Liddell, Robert Scott, A Greek English Lexicon, on Perseus) is one of the four fundamental states of matter, and was first described by chemist Irving Langmuir in the 1920s.
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Pulley
A pulley is a wheel on an axle or shaft that is designed to support movement and change of direction of a taut cable or belt, or transfer of power between the shaft and cable or belt.
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Railgun
A railgun is a device that uses electromagnetic force to launch high velocity projectiles, by means of a sliding armature that is accelerated along a pair of conductive rails.
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Rudolf Eickemeyer
For the photographer see Rudolf Eickemeyer (photographer) Jean Marie Rodolphe Eickemeyer, also called Heinrich Maria Johann Rudolf Eickemeyer, was an engineer, mathematician, and general of the French Revolutionary Wars.
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Sebastian Ziani de Ferranti
Sebastian Pietro Innocenzo Adhemar Ziani de Ferranti (9 April 1864 – 13 January 1930) was a British electrical engineer and inventor.
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Slip ring
A slip ring is an electromechanical device that allows the transmission of power and electrical signals from a stationary to a rotating structure.
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Sodium-potassium alloy
Sodium-potassium alloy, colloquially called NaK (commonly pronounced), is an alloy of two alkali metals sodium (Na, atomic number 11) and potassium (K, atomic number 19) and which is usually liquid at room temperature.
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Sunspot
Sunspots are temporary phenomena on the Sun's photosphere that appear as spots darker than the surrounding areas.
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Synchrotron
A synchrotron is a particular type of cyclic particle accelerator, descended from the cyclotron, in which the accelerating particle beam travels around a fixed closed-loop path.
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Uppsala University
Uppsala University (Uppsala universitet) is a research university in Uppsala, Sweden, and is the oldest university in Sweden and all of the Nordic countries still in operation, founded in 1477.
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Uranus
Uranus is the seventh planet from the Sun.
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Velocity
The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time.
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Venus
Venus is the second planet from the Sun, orbiting it every 224.7 Earth days.
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Welding
Welding is a fabrication or sculptural process that joins materials, usually metals or thermoplastics, by causing fusion, which is distinct from lower temperature metal-joining techniques such as brazing and soldering, which do not melt the base metal.
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Acyclic generator, Disc dynamo, Disk Dynamo, Disk dynamo, Faraday Disk Dynamo, Faraday Wheel, Faraday disc, Faraday disc dynamo, Faraday disk, Faraday disk dynamo, Faraday wheel, Faraday's disc, Faraday's disk, Homopolar disc dynamo, Homopolar disk dynamo, Homopolar generators, N machine, Unipolar generator, Unipolar induction.
References
[1] https://en.wikipedia.org/wiki/Homopolar_generator
