Interesting Piece on EMPs and EMP Weapons
The electromagnetic pulse (EMP) is a product of a nuclear explosion. It puts out of action even those electronic control systems that have withstood the shockwave and reduces expensive smart weapons to scrap metal. There are different ways of generating electromagnetic pulses - for example, it can be produced by explosion-induced pressure on a magnetic field.
Physicist Andrei Sakharov was the first to propose using this principle in a bomb in the 1950s. Today, records in the size of an induced magnetic field, maximum current and properties of such "radiators" belong to Russian scientists. They surpass foreign counterparts by 10 times. Depending on what facilities the EMP is directed at, the damage radius can be from several hundred meters to kilometers. Without creating a shock wave and inflicting visible damage, it destroys all enemy electronic equipment. Moreover, unlike electronic countermeasures, electromagnetic weapons are capable of damaging radio electronic components even if they are switched off.
At present, the infrastructure and troops of many countries are stuffed with electronic equipment. It will be the main target for electromagnetic weapons. The destructive effect is produced by the high acceleration of the magnetic and electrical components of the EMP. They induce voltage changes ranging from 100 volts to 10,000 volts in circuit networks and terminals of radio electronic equipment. The ensuing massive sparking of cable jackets, their contact to frame and the ground, and breakdowns in connectors put the equipment out of action and lead to fires and explosions. To understand this effect better, it is enough to imagine what will happen to your TV-set if there is a power surge - it will simply melt.