Podcast
Questions and Answers
What is unique about the Crookes' tube compared to other x-ray tubes?
What is unique about the Crookes' tube compared to other x-ray tubes?
- It is enclosed in a vacuum
- It has a metal envelope
- It uses a thermionic effect to produce electrons
- It contains known volumes of various gases (correct)
What is the primary function of the tube housing?
What is the primary function of the tube housing?
- To produce x-rays
- To protect against electric shock and absorb leakage radiation (correct)
- To accelerate electrons
- To heat the tungsten filament
What is the source of electrons in the production of x-rays in the Coolidge tube?
What is the source of electrons in the production of x-rays in the Coolidge tube?
- The cathode (correct)
- The anode
- The thermionic effect
- The glass envelope
What is the purpose of the vacuum pump in the x-ray tube?
What is the purpose of the vacuum pump in the x-ray tube?
What is the primary beam in an x-ray tube?
What is the primary beam in an x-ray tube?
What is the material used to make the glass envelope in the x-ray tube?
What is the material used to make the glass envelope in the x-ray tube?
What is the main purpose of the x-ray tube?
What is the main purpose of the x-ray tube?
What material is often used for the x-ray tube's filament due to its high melting point?
What material is often used for the x-ray tube's filament due to its high melting point?
What occurs when a current is applied to the filament in an x-ray tube?
What occurs when a current is applied to the filament in an x-ray tube?
What is the function of the focusing cup in an x-ray tube?
What is the function of the focusing cup in an x-ray tube?
What is the term for the cloud of electrons that forms around the filament in an x-ray tube?
What is the term for the cloud of electrons that forms around the filament in an x-ray tube?
What is the advantage of having a vacuum in an x-ray tube?
What is the advantage of having a vacuum in an x-ray tube?
What is the primary function of the anode in an X-ray tube?
What is the primary function of the anode in an X-ray tube?
Why is tungsten commonly used as the anode target material?
Why is tungsten commonly used as the anode target material?
What is the purpose of the target area in an X-ray tube?
What is the purpose of the target area in an X-ray tube?
What determines the effective focal spot size?
What determines the effective focal spot size?
What is the advantage of using tungsten-rhenium alloys as the anode target material?
What is the advantage of using tungsten-rhenium alloys as the anode target material?
