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en.wikipedia.org/wiki/Electromagnetic_field

An electromagnetic field is a physical field produced by electrically charged objects. It affects ... The electric field is produced by stationary charges, and the magnetic field ... For instance, the metal atoms in a radio transmitter appear to transfer energy ..... Changing magnetic dipole fields (i.e., magnetic near-fields) are used ...

www.answers.com/Q/Electric_fields_and_magnetic_fields_are_both_present_near_a_charged_atom

Electric fields and magnetic fields are both present near a charged atom? ... First, if the charge q is at rest in the electric field E and magnetic field B, then only the ...

galileo.phys.virginia.edu/classes/252/rel_el_mag.html

How Relativity Connects Electric and Magnetic Fields ... contains equal densities of positive and negative charges, both uniformly distributed throughout the wire ...

farside.ph.utexas.edu/teaching/302l/lectures/node72.html

The flow of an electric current down a conducting wire is ultimately due to the movement of ... the mobile charges are electrons, and the stationary charges are atoms. ... The force is directed at right-angles to both the magnetic field and the ...

physics.stackexchange.com/questions/65335/how-do-moving-charges-produce-magnetic-fields

May 21, 2013 ... Clearly the charges constituting the current will be moving faster in this frame. ... Electric and magnetic fields are what the electromagnetic field ...

www.askamathematician.com/2010/11/q-what-is-a-magnetic-field

Nov 3, 2010 ... A current (even a single moving charge) produces a field that wraps ... This electric repulsion is always greater than the magnetic attraction ... The protons in both wires see the electrons in both wires as denser due to length contraction. .... magnetic force on a stationary charge next to a current carrying wire.

courses.lumenlearning.com/boundless-physics/chapter/motion-of-a-charged-particle-in-a-magnetic-field

An electric field may do work on a charged particle, while a magnetic field does no work. ... Force due to both electric and magnetic forces will influence the motion of .... rule, and will be perpendicular to both the current and the magnetic field. ..... field lines, entering the atmosphere near the magnetic poles and causing the ...

www.physics4kids.com/files/elec_magneticfield.html

Although both types of fields are interconnected, they do different things. The idea of ... It can be as small as an atom or as large as a star. ... He discovered that magnetic fields are produced by moving charges (current). ... Two wires, with current flowing, when placed next to each other, may attract or repel like two magnets.

electron6.phys.utk.edu/phys250/modules/module%203/atoms_in_magnetic_fields.htm

... of the gravitational force near the surface of Earth is F = mg, the gravitational field ... Charged particle produce electric fields and are acted on by electric fields. ... The magnetic field B produced by a current flowing in a coil is shown below. ... F is perpendicular to the plane that contains both v and B. The magnitude of F is F ...