All Questions
Tagged with electromagnetism homework-and-exercises
1,552
questions
-3
votes
1
answer
204
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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 ...
-3
votes
1
answer
43
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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 ...
-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 ...
-4
votes
1
answer
1k
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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: ...
-4
votes
1
answer
5k
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Tesla to Newtons [closed]
Is it possible to convert Tesla to Newtons of force?
Or magnetization force H:(A/m) to newtons?
-6
votes
1
answer
6k
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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 ...
-13
votes
1
answer
768
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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 ...