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Results tagged with magnetostatics
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user 271720
The study of magnetic fields in systems where the currents are steady (not changing with time). It is the magnetic analogue of electrostatics, where the charges are stationary.
2
votes
1
answer
67
views
Why isn't the magnetic field density zero here?
In my lecture notes for magnetostatics, my professor has this explanation of why H is not necessarily $0$ that I dont understand. …
- 285
1
vote
3
answers
1k
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Why is the curl of magnetic field $0$ outside the conductor and non-zero inside? [duplicate]
I dont understand why the magnetic field does not curl outside the cable, according to this example, since I would expect the magnetic field lines to go back on themselves around the cable like shown …
- 285
4
votes
2
answers
59
views
Where does one more '$\rm m$' come from in the units?
$$\nabla \times A = B$$
$A$ is vector magnetic potential, $\mathrm{Wb/m}$
$B$ is magnetic field intensity, $\mathrm{Wb/m^2}$
Where does one more m come from for $B$? Is that from the gradient operator …
- 285