Thermionic emission is the process within the x-ray tube directly responsible for creating
What is free electrons
What is the charge of a nucleus?
Positive
What is the name if the first x-ray tube
Crookes tube
who discovered X Rays?
who is Wilhelm Röntgen
what circuit is the focal spot selector in?
what is the filament circuit
What technical factor is responsible for accelerating electrons through the X-ray Tube?
What is KVP
How is Bremsstranhlung Radiation produced?
By slowing of an incident electron
What is the charge of the cathode?
Negative
what day was X Rays discovered?
When is November 8, 1895
what is the rheostat also called?
what is the mA selector
What condition is required to induce thermionic emission within the cathode filament?
What is high current
Radiation involves what?
An incident electron and the nucleus of an atom
What is the charge of the anode?
Positive
what was the first x ray picture taken of?
what was Wilhelms wifes hand
what does the rectifier do?
switches AC to DC
A portable chest x-ray shows excessive exposure. How can the technologist decrease the intensity of the x-ray beam while maintaining the same beam energy
What is decrease MA
A Bremsstrahlung photon is a result of what?
The energy difference between the incident electron as it passes (slows) near the nucleus
The lowest Kvp setting possible for characteristics Radiation
What is 69
what artifact was in the first x ray picture and would be a cause for a repeat picture today?
what is a wedding ring
what is the job of the step up transformer?
what is to switch volts to kilovolts
A portable chest x-ray demonstrates excessive exposure. How can the technologist decrease the intensity of the x-ray beam while maintaining the same beam energy?
What is decrease the MA
The energy of the Bremsstranhlung Radiation also depends on what?
How close the electrons pass to the nucleus
The glass envelope of the x-ray tube is composed of what?
Pyrex Glass
who was the first to die as a result from x rays?
Who is Clarence Dally
the focal spot selector is connected to what in the xray tube?
what is the cathode