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Image production 1

QuestionAnswer
What does the operating console control? kVp, mA, and time (exposure factors).
What does the line-voltage compensator do? Stabilizes incoming power so exposure stays consistent.
What does the high-voltage generator do? Turns low voltage into high voltage to make x-rays.
What is the power formula for an x-ray generator? kW = (kVp × mA) / 1000
Which generator is the most efficient 3-phase 12-pulse.
Main disadvantage of 3-phase equipment? Expensive and physically larger/more complex.
What circuit controls filament heating? Filament circuit (step-down transformer).
What is thermionic emission? Heating the filament to release electrons.
What does the rotating anode do? Spreads heat and allows higher mA and shorter exposure times.
What does the focal spot affect? Image detail (sharpness).
Heat units formula for 3-phase, 6-pulse? HU = mA × time × kVp × 1.35
What factor controls x-ray quantity? mAs
What factor controls x-ray quality? kVp (also affects quantity)
What does AEC control? Exposure time (automatically stops exposure)
/Purpose of rectifiers? Convert AC to DC so electrons only flow one way in the tube.
Created by: edwingp
 

 



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