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consider a table with the a uniform magnetic field of flux density B coming directly out of it, the field lines are perpendicular to the the surface of the table,...
Asked on 12/19/2021
2 answerI am a little bit confused how the electric field produced by dipole $P_1$ at $vec{r_2}=(ell,0,0)$ is equal...
Asked on 12/19/2021
0 answer$newcommand{d}{mathrm{d}}$In $d=2p+1$ dimensions one can have topologically massive $p$-form abelian gauge fields $AinOmega^p(X_{2p+1})$ by considering a Maxwell–Chern–Simons action:$$S[A] = int_{X_{2p+1}} frac{1}{2g^2}d Awedgestard A +...
Asked on 12/19/2021
0 answerI have a problem in mind. There are 2 particles in a box. If they are distinguishable, there are 4 microstates represented by the picture below. If the particles are...
Asked on 12/19/2021
1 answerI was trying to intuitively understand the covariant and contravariant bases for a coordinate system and I came across this image on Wikipedia: Edit: After reading...
Asked on 12/19/2021
6 answerI know that black holes maintain the linear momentum of the object that created it. But if I throw a baseball into a black hole, will it absorb that momentum...
Asked on 12/17/2021
1 answerIn most introductions to solid state physics that I've read, they explain the origin, basically, of the band gap as follows: By doing a superposition of the standing waves inside...
Asked on 12/17/2021
1 answerEinstein's thought experiment I'm referring to is this one:http://www.bartleby.com/173/9.html briefly: train/embankment experiment is where lightning strikes at either ends of the running train (points A and B)...
Asked on 12/17/2021
3 answerHello and thanks for reading. I'm currently working through electrodynamics from Purcell supplemented by Jackson and online notes. I've read up the basic cases demonstrating the method of image charges,...
Asked on 12/17/2021
1 answerSuppose we have a rigid body (or even a collection of point masses connected via rigid rods). Suppose this body is floating in space. Suppose we apply a force on...
Asked on 12/17/2021
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