Complex sentence: Magnetostatics is widely used in applications of micromagnetics such as models of magnetic recording devices.Magnetostatic Focussing can be achieved either by a permanent magnet or by passing current through a coil of wire, whose axis coincides with the beam axis.
Split into simpler sentences: Magnetostatics is widely used in applications of micromagnetics such as models of magnetic recording devices. Magnetostatic focussing can be achieved either by a permanent magnet or by passing current through a coil of wire whose axis coincides with the beam axis.