X-Ray Circuit & Tube Questions With Accurate Answers

X-Ray Circuit & Tube Questions With Accurate Answers How many steps are there to pressing the X-ray button? - Answer-Two What does the first step of pressing the button do? - Answer-Puts the x-ray into "prep" mode What happens in prep mode? - Answer-The filament heats A cloud of electrons are emitted around the filament What is the cloud of electrons around the filament called? - Answer-The space charge What is the space charge? - Answer-Electrons leave the filament as a cloud. This creates a net +ve (positive) around the very negative cathode What happens when the exposure button is pressed? - Answer-High electrical kilovoltage is applied. Electrons accelerate across the tube What energy do electrons have when they accelerate across the tube? - Answer-Kinetic energy How can the electrons travels freely across the tube? - Answer-They travel in a vacuum Is the cathode positive or negative? - Answer