Magnetic field - Wikipedia
WEBA magnetic field (sometimes called B-field[1]) is a physical field that describes the magnetic influence on moving electric charges, electric currents, [2]: ch1 [3] and magnetic materials.
21.1: Magnetism and Magnetic Fields - Physics LibreTexts
WEBEarth’s magnetic field is generated by a feedback loop in the liquid outer core: Current loops generate magnetic fields; a changing magnetic field generates an electric field; and the electric and magnetic fields exert a force on the charges that are flowing in …
Magnetic Field: Definition, Equation, and Images - Science Facts
WEBMar 9, 2022 · A magnetic field is an invisible force field generated by a magnet (like bar magnet and horseshoe magnet), moving electric charge (like current-carrying wire, toroid, and solenoid), spinning electrons, and changing electric field.
Magnetic field | Definition & Facts | Britannica
WEBSep 7, 2024 · Magnetic field, a vector field in the neighborhood of a magnet, electric current, or changing electric field, in which magnetic forces are observable. Magnetic fields such as that of Earth cause magnetic compass needles and other permanent magnets to line up in the direction of the field.
20.1 Magnetic Fields, Field Lines, and Force - OpenStax
WEBDescribe and interpret drawings of magnetic fields around permanent magnets and current-carrying wires. Calculate the magnitude and direction of magnetic force in a magnetic field and the force on a current-carrying wire in a magnetic field.
How Magnets Work - HowStuffWorks
WEBSep 20, 2022 · Magnets are objects that produce magnetic fields and attract metals like iron, nickel and cobalt. The magnetic field's lines of force exit the magnet from its north pole and enter its south pole. Permanent or hard magnets …
What Is Magnetism? | Magnetic Fields & Magnetic Force
WEBFeb 2, 2022 · Magnets, or the magnetic fields created by moving electric charges, can attract or repel other magnets, and change the motion of other charged particles. A magnetic field exerts a force...
Magnetic Field - Physics Book - gatech.edu
WEBNov 29, 2017 · What is a Magnetic Field? Magnetic fields can be simply described as a field that extends through space, originating from a moving electric charge or from a magnetic dipole. This field can produce a force when acting on another magnetic object.
11.3: Magnetic Fields and Lines - Physics LibreTexts
WEBSep 12, 2022 · Define the magnetic field based on a moving charge experiencing a force; Apply the right-hand rule to determine the direction of a magnetic force based on the motion of a charge in a magnetic field; Sketch magnetic field lines to understand which way the magnetic field points and how strong it is in a region of space
Magnetism | Definition, Examples, Physics, & Facts | Britannica
WEBAug 5, 2024 · magnetism, phenomenon associated with magnetic fields, which arise from the motion of electric charges. This motion can take many forms. It can be an electric current in a conductor or charged particles moving through space, or it can be the motion of an electron in an atomic orbital.
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