Assertion: cathode ray tube's electron gun | /r/MadeOf | accelerator
Facets:
Source sentences:
text: The electron gun, which consists of the cathode, choke, accelerator, and lensing region, is the device which generates and focuses the electron beam used to project an image on the phosphor screen.
text: The source of focused and accelerated beam is the electron gun, which emits electrons and forms them into a beam consists of a heater, cathode, a grid, a pre-accelerating anode, a focusing anode and accelerating anode.