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Matter
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Nucleus
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Radiology

Chapter 4 Vocab - Part 2

QuestionAnswer
Matter Anything that occupies space and has shape or form.
Nucleus The center of an atom. Contains protons and neutrons.
Neutron One of the three particles that compose an atom. These particles have no electrical charge.
Sine wave A repeating wave form, as seen in an AC current. Also called a sinusoidal form.
Wavelength The distance from one crest of a wave to the next.
Photon The smallest possible unit of electromagnetic energy. A tiny "bullet" of energy.
Transformer The device used to produce the high voltage needed for x-ray production.
Milliampere (MA) Used to measure the x-ray tube current. Equal to 1/1000 of an ampere (0.001 A).
Resistance (R) Any property of the circuit that opposes or hinders the flow of current.
Molecules Two or more atoms chemically combined.
Potential Difference The force or strength of the electrons flowing within an electric circuit.
Proton One of three particles that compose an atom. These particles have a positive electrical charge.
Rectification The process of changing alternating current into direct current to produce x-rays. Alternating current can be converted so that it flows in one direction only.
Volt (V) The unit used to measure potential difference.
Created by: hollieritter
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