What is a magnetic field?

Question

I mean really fundamentally?

Answer 1

http://en.wikipedia.org/wiki/Magnetic_field

a magnetic field is that part of the electromagnetic field that exists when there is a changing electric field

the electromagnetic field is a physical influence (a field) that permeates through all of space, and which arises from electrically charged objects and describes one of the four fundamental forces of nature - electromagnetism

Answer 2

In physics, a magnetic field is that part of the electromagnetic field that exists when there is a changing electric field. A changing electric field can be caused by the movement of an electrically charged object, as in an electric current; or a combination of the orbit of an electron around an atom and the spin of electrons themselves, as in a permanent magnet.

Answer 3

A region of space around a magnet in which objects are affected by the magnetic force.

Answer 4

You've got three correct answers.

The electromagnetic field was discovered and described by the Danish scientist Hans Christian Orsted (1777-1851).

He was a remarkable person since university in those days only gave you Religion, Maths, Religion, Religion, Greek, Greek, and Latin. Plus Religion.

Answer 5

a field where magnets grow, usually in south east asia

Answer 6

It's where they play Magnos, the Italian game that uses two steel balls. Each team gets a ball. The object is to roll your ball to the other team's goal without attracting their ball.