APFIVE Faraday Cage and the Skin Effect
Which physical principle explains why a Faraday cage is more effective at blocking high-frequency electromagnetic waves than it is at blocking low-frequency ones?
A
Coulomb’s law forces charges to the outer surface
B
Conservation of energy limits field penetration
C
Skin effect causes currents to flow near the surface
D
Gauss’s law prevents external fields from entering
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