Electric n magnetic field vectors

AI Thread Summary
The discussion centers on the relationship between electric and magnetic fields, specifically in the context of electromagnetic waves. It highlights that Maxwell's equations indicate a magnetic field is generated by a changing electric field. The electric field vector is given as e = E exp[i(kx-wt)]j, prompting inquiries about the corresponding magnetic field vector. To determine the magnetic field, one must solve Maxwell's equations, taking into account the direction of wave propagation. The conversation emphasizes the interconnectedness of electric and magnetic fields in electromagnetic theory.
benitta
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what is the relation between the electric and magnetic field ?
if the electric field vector is e = E exp[i(kx-wt)]j what is the magnetic field vector?
 
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Hi benitta,

I don't believe there is such a relation.

However, the maxwell equations tell us that there is a magnetic field associated with a change in electric field \partial\vec{E}/\partial{t}.
 
benitta said:
what is the relation between the electric and magnetic field ?
if the electric field vector is e = E exp[i(kx-wt)]j what is the magnetic field vector?
All you need to do is solve Maxwell's equations. See
http://www.geocities.com/physics_world/em/mawell_eq.htm

Pete
 
Hi again,

Sorry I misread your question and missed the "t term" in there.
 
In the case of a plane wave you can find B if you know the direction of propagation.
 
thanks pmb phy
 
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