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  2. Solenoid - Wikipedia

    en.wikipedia.org/wiki/Solenoid

    the inductance of a solenoid follows as =. A table of inductance for short solenoids of various diameter to length ratios has been calculated by Dellinger, Whittmore, and Ould. [18] This, and the inductance of more complicated shapes, can be derived from Maxwell's equations. For rigid air-core coils, inductance is a function of coil geometry ...

  3. Pulse-width modulation - Wikipedia

    en.wikipedia.org/wiki/Pulse-width_modulation

    (In the case of an electrical circuit, a capacitor to absorb energy stored in (often parasitic) supply side inductance.) High frequency PWM power control systems are easily realisable with semiconductor switches. As explained above, almost no power is dissipated by the switch in either on or off state.

  4. Inductance - Wikipedia

    en.wikipedia.org/wiki/Inductance

    When this is combined with the definition of inductance =, it follows that the inductance of a solenoid is given by: =. Therefore, for air-core coils, inductance is a function of coil geometry and number of turns, and is independent of current.

  5. Compact Muon Solenoid - Wikipedia

    en.wikipedia.org/wiki/Compact_Muon_Solenoid

    The Compact Muon Solenoid (CMS) experiment is one of two large general-purpose particle physics detectors built on the Large Hadron Collider (LHC) at CERN in Switzerland and France. The goal of the CMS experiment is to investigate a wide range of physics, including the search for the Higgs boson , extra dimensions , and particles that could ...

  6. Henry (unit) - Wikipedia

    en.wikipedia.org/wiki/Henry_(unit)

    The henry (symbol: H) is the unit of electrical inductance in the International System of Units (SI). [1] If a current of 1 ampere flowing through a coil produces flux linkage of 1 weber turn, that coil has a self-inductance of 1 henry.‌ The unit is named after Joseph Henry (1797–1878), the American scientist who discovered electromagnetic induction independently of and at about the same ...

  7. Solenoid (engineering) - Wikipedia

    en.wikipedia.org/wiki/Solenoid_(engineering)

    The solenoid can be useful for positioning, stopping mid-stroke, or for low velocity actuation; especially in a closed loop control system. A uni-directional solenoid would actuate against an opposing force or a dual solenoid system would be self cycling. The proportional concept is more fully described in SAE publication 860759 (1986).

  8. 49ers suspend De'Vondre Campbell for refusing to enter game ...

    www.aol.com/report-49ers-suspend-devondre...

    The San Francisco 49ers on Monday suspended linebacker De'Vondre Campbell for the final three games of the regular season for refusing to play Thursday night against the Los Angeles Rams.. Niners ...

  9. Solenoid (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Solenoid_(mathematics)

    In mathematics, a solenoid is a compact connected topological space (i.e. a continuum) that may be obtained as the inverse limit of an inverse system of topological groups and continuous homomorphisms