An induction-based linear particle accelerator for accelerating a beam of charged particles along a central beam axis, said linear particle accelerator having an outer surface at ground potential, characterised in that said particle accelerator comprises: - a power supply arrangement having a single power supply unit; - a plurality of solid-state switched drive sections connected to said power supply arrangement for receiving electrical power from said single power supply unit, wherein each solid-state switched drive section comprises an energy storage capacitor to be selectively charged by said single power supply unit, and a solid-state switch, electronically controllable at turn-on and turn-off, for selectively providing a drive pulse at an output of the respective solid-state switched drive section, said solid state switch being operable to turn-on to start the drive pulse by transferring capacitor energy from the energy-storage capacitor and operable to turn-off to terminate the drive pulse, thereby providing low-voltage drive of the linear particle accelerator; - a plurality of magnetic core sections symmetrically arranged along said central beam axis, wherein each magnetic core of the magnetic core sections is coupled to a respective one of said solid-state switched drive sections through an electrical winding that is connected to said output of the solid-state switched drive section; - a switch control module, connected to said plurality of solid-state switched drive sections, for providing control signals to control turn-on and turn-off of said plurality of solid state switches to selectively drive the magnetic core sections to induce an electric field for accelerating said beam of charged particles along said central beam axis. - a power supply arrangement having a single power supply unit; - a plurality of solid-state switched drive sections connected to said power supply arrangement for receiving electrical power from said single power supply unit, wherein each solid-state switched drive section comprises an energy storage capacitor to be selectively charged by said single power supply unit, and a solid-state switch, electronically controllable at turn-on and turn-off, for selectively providing a drive pulse at an output of the respective solid-state switched drive section, said solid state switch being operable to turn-on to start the drive pulse by transferring capacitor energy from the energy-storage capacitor and operable to turn-off to terminate the drive pulse, thereby providing low-voltage drive of the linear particle accelerator; - a plurality of magnetic core sections symmetrically arranged along said central beam axis, wherein each magnetic core of the magnetic core sections is coupled to a respective one of said solid-state switched drive sections through an electrical winding that is connected to said output of the solid-state switched drive section; - a switch control module, connected to said plurality of solid-state switched drive sections, for providing control signals to control turn-on and turn-off of said plurality of solid state switches to selectively drive the magnetic core sections to induce an electric field for accelerating said beam of charged particles along said central beam axis.