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Radiology/Imaging
terms chapter 2
Question | Answer |
---|---|
The increase in speed over time. | Acceleration |
The area of the focal spot consisting of a coiled wire that is perpendicular to the surface of the target | Acutal focal spot |
A mixture of metals | Alloy |
A positively charged electrode that acts as a target for the electrons from the cathode. Electrons interacting with the anode produced heat and x-rays. | Anode |
A phenomenon in which metal deposits on the inner wall of the envelope act as a secondary anode, thereby attracting electrons from the cathode. | Arcing |
Provides a variable yet predetermined voltage to the high-voltage step-up transformer. It acts as the kilovoltage selector | Autotransformer |