
What causes magnetism? - Physics Stack Exchange
Aug 3, 2017 · Electric fields are caused by particles that have charge. Gravitational fields are caused by particles that have mass. What is the property of a particle that causes it to interact …
How Special Relativity causes magnetism - Physics Stack Exchange
May 15, 2013 · 28 So my physics teacher assigned us an article about how special relativity causes magnetism in a wire with a current, even with the low drift velocities of electrons in a …
How do moving charges produce magnetic fields?
The question whether magnetism can be wholly derived from electrostatics plus relativity has long been considered and it certainly cannot. One reason is that it will not tell you the effects of …
How quantum spin causes magnetism? - Physics Stack Exchange
Nov 3, 2020 · I read about how spin and magnetism are related (mathematically) but I found that it is a concept related to classical physics which is in turn related to the idea of electrons actually …
what is the specific cause of permanent magnetism [duplicate]
Permanent magnets are made of a type of material known as ferromagnets. Ferromagnets are magnetic because the individual electrons which are tiny magnets – they have a "magnetic …
How does a spinning electron produce a magnetic field?
Mar 25, 2015 · I learned in my undergraduate physics class that atoms have magnetic fields produced by the orbit of electrons and the spin of electrons. I understand how an orbit can …
homework and exercises - What causes Magnetism and Why …
Aug 18, 2022 · I've read that magnetism is caused by the movement of charged particles, like if most of the electrons move in the same direction, the object reacts with a magnet, like iron or …
electromagnetism - If special relativity causes magnetism to arise …
Aug 10, 2023 · If special relativity causes magnetism to arise from the electric force, how does light work? My understanding of light was perturbations in the electric field that cause …
Why does a magnet attract iron objects? - Physics Stack Exchange
May 26, 2024 · 0 I am studying magnetism right now and I can’t understand how does a magnet work. I read that the magnet has a magnet field, which influences only charged particles with …
Why bar magnet can produce magnetic field? - Physics Stack …
Say I wrapped a piece of wire around an iron bar in a closed circuit connected to a DC power supply, the electrons starts flowing and moving charge produce magnetic field. Yet a bar …