Faraday Cage

A Faraday cage is an enclosure made from a conducting material. The electric fields inside a conductor cancel out any external fields, resulting in a net electric field of zero within the conductor. Faraday cages function as large hollow conductors, shielding their interior from external electric fields. Any electrical shocks or fields encountered by the cage are harmlessly diverted around its exterior. When an external electric field is applied to the cage, the charges within its walls rearrange themselves in response to the attraction of opposite charges. This movement creates an internal electric field within the cage walls that counteracts the external field, leading to both fields canceling each other out. Consequently, the electric charge inside the cage remains neutral. Faraday cages are used to block or contain electromagnetic waves and electric fields. Real-world examples include cars and airplanes, where occupants are protected from lightning strikes as the electrical charge passes safely around the vehicle's exterior.