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Magnetic field # Magnetic field lines | Magnetic field lines of a solenoid electromagnet, which are similar to a bar magnet as illustrated above with the iron filings
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Magnetic and field
* Magnetic resonance imaging ( MRI ) MRI is a method of imaging objects that uses a strong magnetic field to detect the relaxation of protons that have been perturbed by a radio-frequency pulse.
* Magnetic medium ( e. g., in Magnetic disk )-Orientation of magnetic field in magnetic regions on a surface of material ( two orientation directions, for 0 and 1 ).
Magnetic field lines of a ring current of finite diameter.
* Magnetic medium ( e. g., in Magnetic disk )-Orientation of magnetic field in magnetic regions on a surface of material ( two orientation directions, for 0 and 1 ).
Magnetic field circles around a current
Magnetic hyperthermia makes use of magnetic nanoparticles, which can be injected into tumours and then generate heat when subjected to an alternating magnetic field.
* Magnetic field
Magnetic flux from the surroundings ( such as other wires ) may diminish or enhance the field the Hall probe intends to detect, rendering the results inaccurate.
Magnetic shielding made with high permeability alloys like mu-metal works not by blocking magnetic fields but by providing a path for the magnetic field lines around the shielded area.
Magnetic field gradients cause nuclei at different locations to rotate at different speeds.
B ( r ) is the Magnetic field strength of the planet in SI units ( B in T, μ < sub > 0 </ sub > in H / m )
Magnetic field lines represent the magnetic field surrounding Earth.
Magnetic fields in the magnetosphere arise from the Earth's internal magnetic field as well as from electric currents that flow in the magnetospheric plasma: the plasma acts as an electromagnet.
Magnetic fields from currents that circulate in the magnetospheric plasma extend the Earth's magnetism much further in space than would be predicted from the Earth's internal field alone.
Magnetic pressure should tend to remove field concentrations, causing the sunspots to disperse, but sunspot lifetimes are measured in days or even weeks.
Superconducting Magnetic Energy Storage ( SMES ) systems store energy in the magnetic field created by the flow of direct current in a superconducting coil which has been cryogenically cooled to a temperature below its superconducting critical temperature.
: Magnetic flux in a ferromagnetic material, such as the core, causes it to physically expand and contract slightly with each cycle of the magnetic field, an effect known as magnetostriction.
Magnetic confinement fusion devices exploit the fact that charged particles in a magnetic field feel a Lorentz force and follow helical paths along the field lines.
Magnetic field of an ideal cylindrical magnet with its axis of symmetry inside the image plane.
Magnetic mirrors play an important role in other types of magnetic fusion energy devices such as tokamaks, where the toroidal magnetic field is stronger on the inboard side than on the outboard side.
* Magnetic field immunity.
Magnetic and #
# Magnetic poles ( or states of polarization at individual points ) attract or repel one another in a similar way and always come in pairs: every north pole is yoked to a south pole.
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# William Gilbert – On the Loadstone and Magnetic Bodies
An example of the reverse side of a typical credit card: Green circle # 1 labels the Magnetic stripe # Financial cards | Magnetic stripe
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# REDIRECT Magnetic circular dichroism
Magnetic and lines
Magnetic domains can be observed with a magnetic force microscope to reveal magnetic domain boundaries that resemble white lines in the sketch.
Magnetic lines of force of a bar magnet shown by iron filings on paper
Magnetic lines of force are parallel to the geometric axis of this structure.
In May 1845 the Magnetic Telegraph Company was formed in order to radiate telegraph lines from New York City towards Philadelphia, Boston, Buffalo, New York and the Mississippi.
Magnetic field lines, represented as arrows, are excluded from a superconductor when it is below its critical temperature.
By 1915, electricity lines ran from Magnetic Springs to Richwood.
Magnetic field lines only exist as loops, they cannot diverge from or converge to a point like electric field lines can ( see Gauss's law for magnetism ).
Magnetic flow meters, often called " mag meter " s or " electromag " s, use a magnetic field applied to the metering tube, which results in a potential difference proportional to the flow velocity perpendicular to the flux lines.
3: Magnetic field lines after compression.
Magnetic reconnection is the name given to the rearrangement of magnetic field lines when two oppositely directed magnetic fields are brought together.
As of 2004, two Magnetic Flagman wigwags in the US remain at main rail lines.
Magnetic field lines around a " magnetostatic dipole " the magnetic dipole itself is in the center and is seen from the side.
Magnetic field lines in a plane bisecting the current loops.
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