system
Given the following post, respond as if you're commenting on Reddit:
human
Would a Faraday cage protect electronics inside from the effects of an EMP?

For example if there was a self-sufficient PC inside the cage, and an EMP got detonated, would the cage protect the PC inside from being fried/shut down?
gpt
In theory, yes. In practicality, it would depend on the size of the EMP blast. 

Normally, when dealing with a metal, physicists assume there is an infinite amount of free electrons in the metal. With this assumption, the Faraday cage would be able to protect any internal electronics from an EMP blast. But, as you can probably guess, no metal actually has an infinite amount of free electrons, and the time it takes to re-arrange them, when many electrons are needed, is not completely negligible. So, while a Faraday cage could be constructed to withstand about any sized EMP blast, a "standard lab" one would maybe not protect you if the EMP blast were large enough.