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-3 votes
1 answer
204 views

What does “Integrating out field” mean?

In Schwartz’s QFT book, there is a couple of exercise problems of particle polarization in chapter 3. I have trouble with finding interaction terms from the given Lagrangians. Is it just okay to ...
JunginYu's user avatar
-3 votes
1 answer
43 views

Problem on mechanics of bodies [closed]

I am trying to solve this problem I thought using archimidis principle would be a way. the second body has more cavity than the first body(left body), i think, given that the 1st body will ...
user199996's user avatar
-3 votes
2 answers
7k views

How to determine the angular velocity of a particle with mass $m$ and charge $q$ in a constant B field? [closed]

$\textbf{PROBLEM:}$ A particle with mass $m$ and charge $q$ moves in a constant magnetic field $B$. Show that, if the initial velocity is perpendicular to $B$, the path is circular and the angular ...
Joshua Burrow's user avatar
-4 votes
1 answer
1k views

Which makes an electromagnet stronger? AC or DC? [closed]

I need a clear answer and a good explanation about this. Please tell me what happens with an AC or DC current. I have already read a lot of books but I did not get this at all. So please tell me: ...
Mushaffiul alam's user avatar
-4 votes
1 answer
5k views

Tesla to Newtons [closed]

Is it possible to convert Tesla to Newtons of force? Or magnetization force H:(A/m) to newtons?
AxtII's user avatar
  • 677
-6 votes
1 answer
6k views

Are dc and ac currents produce electric field? [closed]

I have four different situation and i want to learn what kind of field (electric or magnetic) each produces and which produces electomagnetic waves? 1)dc current flow in a conductor 2)ac current ...
user32166's user avatar
-13 votes
1 answer
768 views

General Physics II Practice Question [closed]

I have a test in a few hours, and my professor gave us a practice test, and I'm stuck. Could you give me a hint as to how to approach this problem, equations I could use. It's an algebra based class ...
aNxello's user avatar
  • 127

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