Question

Why electric field and magnetic field H and propagation constant they are mutually perpendicular to each other

Answer 1

Answer on Question #81782, Physics / Electromagnetism

**Question:**

Why electric field and magnetic field H and propagation constant they are mutually perpendicular to each other.

**Solution:**

It follows from Maxwell’s equations system – one of its solutions is electromagnetic wave, where vectors $\vec{E}$ and $\vec{H}$ are perpendicular to each other. The direction of the wave (direction of energy transfer) is pointed by Pointing’s vector $\vec{S} = \vec{E} \times \vec{H}$, which is evidently perpendicular to $\vec{E}$ and $\vec{H}$.

**The answer:**

See above.

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