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Magnetic Field = Electromagnetic Field?

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nicleo

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Do you think it's correct to say that Magnetic Field = Electromagnetic Field?
 

irfan1

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It all depends. In free space there would be no essential difference, if the fields are propagating waves. But when you have sources and boundaries I beleive such a thing would be very inconsistent
 

wlcsp

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nicleo said:
Do you think it's correct to say that Magnetic Field = Electromagnetic Field?

It is fair enough to say magnetic field=electromagnetic field provided that the magnetic field is constant in time, as we know that time-varying magnetic field generates electric field and vice versa.
 

GoaGosha

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In principle Magnetic Field it's relativistic phenomena of electric field
(it's an good and comprehensive model)

If you know the magnetic field in all the space & time
you also know about kinematics of the elements which
transmit it by that you can derive the full electric field (space& time)
this gives you electromagnetic field :)
(and of course it's vice versa )

Regards
 

alastair41

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Electromagnetic consists of both electric and magnetic fields. In other words, magnetic is only one part of EM.
 

djalli

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alastair41 said:
Electromagnetic consists of both electric and magnetic fields. In other words, magnetic is only one part of EM.

That is known!

For a transverse electromagnetic field both electric and magnetic field co-exist. Their ratio is defined as characteristic impedance. In free space is 377ohms.
 

wlcsp

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djalli said:
Only for transverse electromagnetic wave that can be safely said.

I don't think so. In tranverse electromagnetic wave, electric and magnetic field both exist, it's just that the component in in the propagation direction does not exist.
 

steveninvan

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Is electromagnetic field really a specific kind of field? Or I prefer that Electromagnetic Field is consist of electric field and magnetic field.
 

atmaca

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think of a magnet it has a magnetic field directed from one pole to another. But this field is not-varying and has no electrtic field part.

But another example is a propageting wave it has two companents: electric field and magnetic field.
 

ertug

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nicleo said:
Do you think it's correct to say that Magnetic Field = Electromagnetic Field?

No, it is not correct. Magnetic field has only magnetic properties of a vector field. But electromagnetic field has Electrical and magnetical vector components which depend on each other. So they are quite different terms.
 

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