The magnetic force is a consequence of the electromagnetic force, one of the four fundamental forces of nature, and is caused by the motion of charges.
www.khanacademy.orgIn physics, electromagnetic radiation (EMR) consists of waves of the electromagnetic (EM) field, which propagate through space and carry momentum and ...
en.wikipedia.orgThe right-hand rule is based on the underlying physics that relates magnetic fields and the forces that they exert on moving charges—it just represents an easy ...
www.khanacademy.org20 февр. 2011 г. ... But even these large magnets you deal with, the magnetic field is generated by the electron spins inside of it and by the actual magnetic fields ...
www.khanacademy.org8 апр. 2024 г. ... (A magnetic dipole may be thought of as a tiny bar magnet. It has the same magnetic field as such a magnet and behaves the same way in external ...
www.britannica.comMagnetic fields are relativistic electric fields (ie. the creation of an electric field due to space contraction from moving charges), but this was not known ...
www.khanacademy.orgThis unit is part of the Physics library. Browse videos, articles, and exercises by topic.
www.khanacademy.org19 февр. 2024 г. ... The magnetic force between two moving charges may be described as the effect exerted upon either charge by a magnetic field created by the other ...
www.britannica.comFigure 3: Magnetic field lines around a bar magnet visualized using iron filings. How do we measure magnetic fields? Because a magnetic field is a vector ...
www.khanacademy.orgSal does an example problem to determine the size and direction of the magnetic force on a proton moving through a magnetic field. Created by Sal Khan.
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