I don't know, it depends on how one interprets the nature of a continuous enchantment. It could, in fact, have a 'frequency', such that a magical item can be interpreted as a standing wave, where there is an EMP-like effect at the peaks of said wave.
So a place like Hogwarts would be pumping out EMPs constantly.
Thus, once could conceivably shield against it with sufficiently hardened electronics or Faraday cages.--
Christopher Angel, aka JPublic
The Works of Christopher Angel
So a place like Hogwarts would be pumping out EMPs constantly.
Thus, once could conceivably shield against it with sufficiently hardened electronics or Faraday cages.--
Christopher Angel, aka JPublic
The Works of Christopher Angel