Electromagnetic field

An Electromagnetic Field is a combination of an electric field and a magnetic field. It's a physical field produced by electrically charged objects that affects the behavior of charged objects in the vicinity of the field.

On the planet M7G-677, a ZPM powers a device which acts as a sort of an electromagnetic field which disables all electrical devices within the radius, including those of the Wraith and the Atlantians.

When an invisible spy infiltrated the Alpha site, a plan was created to use a Naquadah reactor to create a high-frequency electromagnetic field to attempt to de-cloak the spy.

Flagisallus emit a low frequency pulse and an electromagnetic field which, in combination, are very dangerous to humans.

P3X-562's electromagnetic field has less strength than that of Earth's, allowing Unity to live without decay.

A Wraith Hallucination generator projects an electromagnetic field which prevents normal radio communication.