X-ray Tube Components Quiz

What is the charge of the cathode in an x-ray tube?

• Variable charge

• Neutral

• Negatively charged

• Positively charged

What is the primary purpose of the filament in the x-ray tube?

• To emit photons

• To cool the system

• To heat the anode

• To boil off electrons

At what speed do electrons travel towards the anode?

• The speed of light

• Half the speed of light

• Twice the speed of light

• One-third the speed of light

What percentage of energy is converted into x-rays in the x-ray tube?

• 1%

• 10%

• 25%

• 50%

What is the purpose of the rotating tungsten disc?

• To increase electron speed

• To focus the x-rays

• To reduce photon emission

• For heat dissipation

What is the function of the rotor in the x-ray tube?

• To cool the cathode

• To emit photons

• To rotate the anode

• To generate electrons

What is the focal spot in the x-ray tube?

• The area where electrons are generated

• The cooling area of the anode

• The area where photons exit

• The small area on the target for electron impact

What is the role of the window in the x-ray tube?

• To allow electrons to enter

• To emit photons/xrays

• To cool the system

• To focus the x-rays

What process is responsible for the emission of electrons from the filament?

• Photoelectric effect

• Thermionic emission

• Nuclear fission

• Compton scattering

What is the main challenge in the x-ray tube system?

• Dealing with heat dissipation

• Cooling the cathode

• Generating enough electrons

• Focusing the x-rays