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Results tagged with electromagnetism
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user 10556
The classical theory of electric and magnetic fields, both in the static and dynamic case. It also covers general questions about magnets, electric attraction/repulsion, etc. Distinct from electrical-engineering.
3
votes
1
answer
410
views
Visualization of electromagnetic field [duplicate]
In the Wikipedia article about electromagnetic radiation one can find the following picture:
But shouldn't the E and B field be 90$^\circ$ out of phase? In the depicted way the energy isn't conserve …
- 486
1
vote
1
answer
2k
views
Online course on theoretical electrodynamics [duplicate]
I'm looking for good online course for an introduction into theoretical electrodynamics. However, it seems that the MIT opencourseware only contains partial lectures for this topic.
Has anyone got a …
6
votes
3
answers
6k
views
Is this a Lorentz-scalar? How do I tell?
I'm struggling to identify whether a scalar is a Lorentz-scalar. E.g:
$$\partial_i A^i \quad i \in {1,2,3}.$$
How do I determine if this is a Lorentz-scalar or not?
If got the same problem with te …
- 486