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Magnetic Effect of an Electric Current PDF
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Added on 2021-04-16
Magnetic Effect of an Electric Current PDF
Added on 2021-04-16
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1MAGNETIC EFFECT ON AN ELECTRIC CURRENT By NameCourseInstructorInstitutionLocationDate
2Introduction Hans Oersted a physic professor discovered that all the conductors that do carry currents has a magnetic field around it in the year 1820, this discovery has shade more light on the on the origination of magnetic field from a flow of charges.Hans Oersted through his experiment detected that if he allowed electric current to pass through a conductor near a spontaneously compass needle that is suspended, then the compass will be observe to deflect, in the same point if the current is allowed through a conductor that can easily be moved and placed close to the bar magnet, then the conductor will experience a force that is ata right angle to the conductor.If we take the magnetic field direction to be the direction of the force on the north pole of a compass needle, Oersted observed that the magnetic field is in the form of concentric circles that surrounds the current. The exploration of magnetic effect on an electric current has led to more discoveries of numerous electronic devices that are used in daily day to day operation by mankind. This paper will address on the production of magnetic fields by the flow of electric current and its application.It is always noted that when two magnets are taken close to each other they will either attract each other or repel each other as per the respective orientation, similarly if you place a bar magnet on a piece of paper, the iron filling get attracted and scatter around the magnet in structure line magnetic field that is surrounding an electric dipole.
3Definition of magnetic field Is the region or space where magnetic influence is felt around a magnet (Roger, 196, 7-8).Generation of magnetic field from Higgs field equilibration The first definition of the electromagnetic field in the presence of non-trival Higgs background was given by t’Hooft where he introduced magnetic monopoles in a SO(3) Georgi-Glashow model.The definition was presented as From the above presentation GaμWaμ-Wa, where(aare the Pauli matrices) represents a unit isovector that defines the "direction" of the Higgs field in theSO(3) isospace (this coincides withSU(2)) and (Dμ)a=μa+gabcWμbc.WhereWμbare the gauge fields components in the adjoint representation. In other models, like the one being considered by t'Hooft, a topological obstruction will prevent this kind of operation to be possible everywhere. In this case singular points (monopoles) or lines (strings) wherea= 0 appear, which become the source of magnetic fields. t'Hooft result provides an existence proof of magnetic fields produced by non-trivial vacuum configurations.A general definition for the Weinberg-Salam model was given by Vachaspati which statesDμ=μ-i[(g) / 2]aWμa-i[(g') / 2]Yμ.From this expression Vachaspati to argued that magnetic fields will be produced during the EWPT. The contribution to the electromagnetic field produced by gradients ofacan be readily determined by writing the Maxwell equations in the presence of an inhomogeneous Higgs background
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