2006-09-26 05:35:39 · 7 answers · asked by thiru s 1 in Science & Mathematics ➔ Physics
Magnetism, or a magnetic field, is a force field associated when charged particles move through space.
When an electron goes in a circle, like through a wire in a loop, it creates a 2 pole ("north and south") magnetic field around the loop.
Electromagnetism studies the relationship between how moving charges produce magnetic fields, how the magnetic fields around moving charges interact with eachother, and how the motion of charged particles is influenced by the presence of a an external magnetic field.
Electro = charged particles (electrons in this case)
Magnetism = the effect of a charged particle moving through space. (magnetic field)
note: an electric field ( around a "charged" particle ) CAN exist without a magnetic field, but a magnetic field CANNOT exist without the motion of an electric field.
2006-09-26 05:51:27 · answer #1 · answered by Anonymous · 0⤊ 0⤋
Electro-magnetism (EM) is one of the four fundamental forces in our universe. Light, radio waves, X-rays, and such are EM. Light, for example, is thought to consist of very tiny wave packets that are called photons.
Although EM has two names (i.e., electro and magnetism) it is just one force. The two names simply reflect the dualistic nature of that one force: electricity and magnetism. In physics, we find a lot of dualism.
E = mc^2, for example, points out that energy and mass are just different manifestations of the same thing. This is why we frequently call it mass-energy rather than mass or energy.
Everything electric in your house uses electro-magnetism. Without EM, there would be no TV, toaster, electric lights, electric blanket, refrigerator, and so on. Without EM, you would sink into the very ground you stand on. Why? Because the EM forces surrounding the atoms in you and the ground are what keep you from sinking. These forces repel each other. [See source.]
2006-09-26 05:59:14 · answer #2 · answered by oldprof 7 · 0⤊ 0⤋
Electromagnetism is the second fundamental force of physics, which is goverened by quantum mechanics. It causes electrons to orbit atomic nuclei...does this help at all?
2006-09-26 09:09:50 · answer #3 · answered by Anonymous · 0⤊ 0⤋
Is the force that holds atoms together and makes electricity move and the sun shine. With out it you would explode
2006-09-26 05:59:40 · answer #4 · answered by David W 1 · 0⤊ 1⤋
the study of the relationship between the magnets and electricity
2006-09-26 05:38:35 · answer #5 · answered by thiru k 2 · 0⤊ 0⤋
It is the magnitism that is produced by an eletrcal source that's in motion.
2006-09-26 05:38:53 · answer #6 · answered by eclipse_girl18 1 · 0⤊ 0⤋
seps.org/oracle/oracle.archive/.../2000.12/000975875780.5425.html check out this site.
2006-09-26 05:38:37 · answer #7 · answered by Just Bein' Me 6 · 0⤊ 2⤋