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Originally Posted by Twilight2000v3MM
Somebody school me on this. If you remove the battery from your vehicle does this make the EMP effect have a lesser chance of damaging the critical componets such as stators, solenoid, ECUs, ect.?
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Removing the battery will have little, if any effect, because the EMP induces current directly in the metal and doesn't depend on any live current.
The main reason integrated circuits are vulnerable, even if not plugged in or attached to an antenna is it doesn't take much voltage to fry a chip, like a CPU designed for core voltages around 1V. Given that, for the usual hypothetical attack 400 km above N. Dakota, the electric field at ground level will be in the hundreds of volts per meter across the continental US and peaking in tens of kilovolts per meter even a relatively inefficient coupling with the leads on your average circuit board will likely damage some components.