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Magnetic wire

  • Solenoids as Magnetic Field Sources - Georgia State University
    Solenoids as Magnetic Field Sources - Georgia State University

    A long straight coil of wire can be used to generate a nearly uniform magnetic field similar to that of a bar magnet. Such coils, called solenoids, have an enormous number of practical applications. The field can be greatly strengthened by the addition of an iron core. Such cores are typical in electromagnets

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  • Earth's Magnetic Field and its Changes in Time - NASA
    Earth's Magnetic Field and its Changes in Time - NASA

    In your classroom, you can make a magnetic field by letting a current flow through a piece of wire wrapped around a nail. When you attach the battery, the nail becomes an ELECTROMAGNET and you can use it to lift paperclips. The core of the Earth is also an electromagnet

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  • The Science Behind Magnets: How do they Work? - YouTube
    The Science Behind Magnets: How do they Work? - YouTube

    You've probably played with magnets before - these fascinating items can exert control over another object without even touching it. So how do they actually

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  • Magnetic properties of materials - University of Surrey
    Magnetic properties of materials - University of Surrey

    The wire then develops a surrounding magnetic field which is given the symbol, H. In a bar magnet you may not think that there need be any current but the magnetic field here is also due to moving charge: the electrons circling around the nuclei of the iron atoms or simply spinning about their own axis

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  • Magnetic field created by a current carrying wire (video
    Magnetic field created by a current carrying wire (video

    So the magnetic field is actually going to have a different strength depending on whether this wire is going through rubber, whether it's going through a vacuum, or air, or metal, or water. And for the purposes of your high school physics class, we assume that it's going through air normally

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  • 223 Physics Lab: Magnetic Force due to a Current-carrying Wire
    223 Physics Lab: Magnetic Force due to a Current-carrying Wire

    Jan 27, 2006 The total magnetic force on the wire is , where is the current in the wire. Here , where is the number of particles with charge, . Our experimental setup is shown in Figure 5 and is described as follows. A permanent magnet assembly, comprised of six removable horseshoe magnets, is placed on a triple-beam balance, and the balance is then zeroed

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  • Magnetic Field around a Wire - JavaLab
    Magnetic Field around a Wire - JavaLab

    Magnetic Field around a Wire. DongJoon 2019-05-24 Electromagnetism Simulation. You can drag the compass. The magnetic field is the area surrounding a magnet in which the magnetic force exists. The magnetic field is also formed around the conductor through which the current flows. This is electromagnetism

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  • Magnetic field - Wikipedia
    Magnetic field - Wikipedia

    Magnetic field lines form in concentric circles around a cylindrical current-carrying conductor, such as a length of wire. The direction of such a magnetic field can be determined by using the right-hand grip rule (see figure at right). The strength of the magnetic field decreases with distance from the wire

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  • Magnetic Force on a Current carrying Wire - GeeksforGeeks
    Magnetic Force on a Current carrying Wire - GeeksforGeeks

    Jul 21, 2021 The total magnetic force on the wire, in that case, will be given by, F = Since, each charge is moving with equal velocity, the total force can be re-written as, F = qvBsin(θ)N . Where N is the number of charges under the influence of the magnetic field

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  • Apollo rocks explain Moon's magnetic field, crust
    Apollo rocks explain Moon's magnetic field, crust

    Jan 20, 2022 Magnetic fields are generated through convection of liquid metals in the core. As those metals gyrate in the interior, a magnetic field is formed. Models of the early Moon, however, suggest that it was too small for this sort of action. Additionally, because the surface was also molten, there was nowhere for interior heat to go

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  • Electromagnetic coil - Wikipedia
    Electromagnetic coil - Wikipedia

    The wire or conductor which constitutes the coil is called the winding. The hole in the center of the coil is called the core area or magnetic axis. Each loop of wire is called a turn. In windings in which the turns touch, the wire must be insulated with a coating of nonconductive insulation such as plastic or enamel to prevent the current from passing between the wire turns

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  • Magnetic forces - Georgia State University
    Magnetic forces - Georgia State University

    When the magnetic force relationship is applied to a current-carrying wire, the right-hand rule may be used to determine the direction of force on the wire. From the force relationship above it can be deduced that the units of magnetic field are Newton seconds /(Coulomb meter) or Newtons per Ampere meter. This unit is named the Tesla

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  • Right-hand Rules - Buffalo State College
    Right-hand Rules - Buffalo State College

    For a single loop of wire, the magnetic field, B through the center of the loop is: B = m o I / 2R; where, m o is the permeability of free space, and R is the radius of the the circular loop of wire, measured in meters. Both the fields for a coil of wire and a

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