Question Pool -- Category E8E
Why don't electromagnetic waves penetrate a good conductor for more
than a fraction of a wavelength?
-
A.
- Electromagnetic waves are reflected by the surface of a good
conductor
-
B.
- Oxide on the conductor surface acts as a magnetic shield
-
C.
- The electromagnetic waves are dissipated as eddy currents in the
conductor surface
-
D.
- The resistance of the conductor surface dissipates the
electromagnetic waves
Answer is C.
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