What exactly happens to an electronic device when hit by an EMP? Can it be turned on again?
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Any current running through a wire, makes a magnetic field. The more current, the larger the field. But the opposite is also true, if you run a wire thru a moving magnetic field it induces a current in the wires.
So if you have electronics that are designed for micro amps worth of current, but you subject it to a very strong magnetic field, way more current than it was designed for can run through for a short time. This will destroy parts of the electronics.
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