3 ms·
Can you explain the frequency dependence of the Faraday cage? The only time I can think of them being ineffective is against waves which are above the plasma fr
by skaevola 12y ago
Can you explain the frequency dependence of the Faraday cage? The only time I can think of them being ineffective is against waves which are above the plasma frequency of the metal the cage is made of.
- ars 12y agoIf the wavelength of the EMF is larger than the size of the entire cage it will go through the cage like it wasn't there. (Although it would also have a hard time affecting the small items inside.) A Faraday cage also can not shield against a static, or slowly changing magnetic field.