Skip to main content
23 events
when toggle format what by license comment
Mar 2, 2023 at 4:55 answer added user360682 timeline score: -2
Aug 3, 2017 at 20:39 comment added MsTais Only in percent of sources (currents or charges). In free space - never
Jul 26, 2016 at 13:24 answer added Sergei Gorbikov timeline score: 9
S Feb 12, 2015 at 17:16 history suggested Timaeus
I added some tags
Feb 12, 2015 at 16:39 review Suggested edits
S Feb 12, 2015 at 17:16
Sep 15, 2014 at 17:57 answer added hariom saranam timeline score: 0
Aug 22, 2013 at 13:40 comment added user4552 @MurodAbdukhakimov: Oops, sorry, you're right.
Aug 22, 2013 at 13:11 comment added Murod Abdukhakimov @BenCrowell Quote from page cited by you: "if $E\cdot B$ is non-zero there exists an inertial frame in which electric and magnetic fields are proportional." "Proportional" means "Parallel".
Aug 19, 2013 at 13:26 answer added Thanos timeline score: 13
Aug 19, 2013 at 13:25 comment added Thanos @BenCrowell: You really think so? I'll just post it. Thank's!
Aug 18, 2013 at 16:31 comment added user4552 @Optionparty: You don't seem to be distinguishing between the concepts of electric charge and electric field. You might want to see if you can formulate a separate question that would help you to clatify your understanding of that issue.
Aug 17, 2013 at 18:32 comment added user4552 @Thanos: I think that should be an answer.
Aug 17, 2013 at 18:29 comment added user4552 @MurodAbdukhakimov: if ... fields are not perpendicular, then there always exist a reference frame where E is parallel to B Not true. The quantity $E\cdot B$ is a relativistic invariant. See en.wikipedia.org/wiki/…
Aug 17, 2013 at 18:27 comment added user4552 @Optionparty: A moving electric field, creates the perpendicular magnetic field. No. A changing (not "moving") electric field creates a magnetic field, which may or may not be perpendicular to it. In SciFi's Alien space ships were powered by crossing magnetic fields. Discussion of fictional physics is off-topic for this site.
Aug 17, 2013 at 17:54 answer added bobot timeline score: -3
Apr 18, 2013 at 14:54 comment added Murod Abdukhakimov please note that if $\vec{E} \vec{B}$ is not equal to $0$, i.e. fields are not perpendicular, then there always exist a reference frame where $\vec{E}$ is parallel to $\vec{B}$. In particular, this is the case of neutrino field.
Apr 18, 2013 at 12:44 comment added Michael Just put a charge at rest in a magnetic field. The Coulomb field goes out in all directions, and will cross the magnetic field at every possible angle. Nothing special happens.
Apr 18, 2013 at 12:33 comment added Thanos @KaziarafatAhmed: Yes there is! In wave guides there modes of propagation. What we know as transverse electromagnetic field is just the TEM mode of a field. There are also the TE(transverse electric mode) with $B_z\neq 0$ and the TM(transverse Magnetic mode) with $E_Z\neq 0$ where $z$ is the direction of propagation!
Apr 18, 2013 at 12:27 history edited Waffle's Crazy Peanut
edited tags
Apr 15, 2013 at 15:31 comment added Self-Made Man Is there anything amphibian between electric and magnetic field? @Optionparty
Apr 14, 2013 at 19:36 comment added Optionparty A moving electric field, creates the perpendicular magnetic field.
Apr 14, 2013 at 17:18 comment added seb You may want to read up on Maxwell's equations that describe electromagnetic waves. That E (electric-field) is perpendicular to B (magnetic-field) is just the case in vacuum. It does not have to be true otherwise.
Apr 14, 2013 at 15:06 history asked Self-Made Man CC BY-SA 3.0