7 ms·
Visual tour of classical electromagnetism
- sus_007 9y agoAm I the only one getting a "Certificate Error" from the link ? The link seems to be broken .
- craftyguy 9y agoIt works for me. The site also doesn't load with any certs or over SSL. Maybe you are being MITM'd by your ISP or employer?
- Sniffnoy 9y agoI've had this with a number of MIT links recently.
- cobbal 9y agoI was getting that error until I disabled the "HTTPS everywhere" extension for the page.
- gumby 9y agoThese are great! I loved 8.02 (actually I took 8.022). Has MIT changed that they now refer to courses by name AND number? Saying “Physics 8.02” is like saying “ATM Machine”
- Bromskloss 9y ago> “ATM Machine” I maintain that this is fine, interpreted as "the machine with which we associate the name _ATM_".
- a3n 9y agoI like to use the ATM machine located on Table Mesa, and use the cash to enjoy a cup of soup du jour of the day.
- tremendulo 9y agoOne early misconception I had about EM was that there were discrete 'lines' of force. I guess this either arose from iron filings experiments or from the way the diagrams of fields are (perhaps unavoidably) drawn. But now I know the fields are continuous.
- alphydan 9y ago> But now I know the fields are continuous. Wait 'til you hear of quantum electrodynamics ;)
- Koshkin 9y agoTo be fair, this is about classical electromagnetism. What is annoying though, it is the pervasive practice according to which some authors completely ignore H ("intensity of the magnetic field") while others pretend to know nothing (and nor should their students) about B ("magnetic induction"). Somewhat less annoyingly, the teachers of electromagnetism rarely introduce the students to the formulation in terms of differential forms, which many consider a better, more intuitive way of doing electrodynamics compared to vector analysis (which student still should learn, of course).
- agumonkey 9y agoI'm still confused by the notion of line/field/flux density. That said, I found a few books to read about that.
- Koshkin 9y agoThis may be a good explanation: https://www.uio.no/studier/emner/matnat/fys/FYS4160/v08/undervisningsmateriale/Kursmateriell/forms_teaching_warnick.pdf https://www.uio.no/studier/emner/matnat/fys/FYS4160/v08/unde...
- dliotev 9y agoSection A ("A. Scalar Fields and How We Represent Them") begins with "A field is a function that has a different value at every point in space." This definition is a bit misleading: the value does not have to be different at every point.
- curlcntr 9y agoCool! Nearly all my comments so far are about books but Jackson's Classical Electrodynamics provided a turning point in my understanding of E&M.... and took over a year (of pain) to get through. On the other end of the 'spectrum', Griffiths Intro to Electrodynamics is extremely readable and just as good.