Exam (elaborations)
ARRT Exam Prep-Image Production
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- System Of Equations And Inequalities
ARRT Exam Prep-Image Production
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ARRT Exam Prep-Image ProductionAcceleration - ANS-rate of change of speed per unit of time
Alternating current (AC) - ANS-electrical circuit in which the current of electrons
oscillates back and forth
Atomic mass - ANS-Number of protons and neutrons; represented by the letter A
Atomic nucleus - ANS-contains protons and neutrons; contains most of the mass of an
atom
Atomic number of an atom - ANS-equals the number of protons in the nucleus,
represented by the letter Z; the atomic number determines the chemical element; all
chemical elements are represented in the periodic table of elements
Attenuation - ANS-partial absorption of the energy of an x-ray beam as it traverses an
object
Autotransformer - ANS-Transformer that contains an iron core and a single winding of
wire; an autotransformer is used in the x-ray circuit to provide a small increase in
voltage before the step-up transformer; the kVp settings are made at the
autotransformer.
British system - ANS-foot, pound, second
CGS system - ANS-centimeter, gram, second
Chemical energy - ANS-energy resulting from a chemical reaction
Conductor - ANS-material that allows the free flow of electrons
Direct current (DC) - ANS-unidirectional flow of electrons in an electrical conductor
Electrical circuits - ANS-path along which electrons flow; may be wired as series circuits
or parallel circuits
Electrical current - ANS-movement of electrons along a conductor or pathway (electrical
circuit); measured in amperes
, Electrical energy - ANS-energy of motion
Electrical generator - ANS-a device that converts mechanical energy into electrical
energy; usual output of an electrical generator is alternating current
Electrical motor - ANS-device that converts electrical energy to mechanical energy
Electrical resistance - ANS-measured in ohms
Electrification - ANS-movement of electrons between objects
Electrodynamics - ANS-electrical charges in motion
Electromagnet - ANS-solenoid with an iron core that concentrates the magnetic field
Electromagnetic energy - ANS-energy that is emitted and transferred through matter
Electromagnetic induction - ANS-process of causing an electrical current to flow in a
conductor when it is placed within the magnetic field of another conductor; two types of
electromagnetic induction are self-induction and mutual induction
Electromagnetism - ANS-movement of electrons in a conductor produces a magnetic
field around the conductor; a coiled conductor (I.e. wire), through which an electrical
current is flowing, has overlapping magnetic fields
Electromotive force (EMF) - ANS-measured in volts; the force with which electrons
move in an electrical circuit
Electron shells - ANS-contains orbital electrons represented by the letters K, L, M ,N ,
O, P and Q; in a stable atom, the number of electrons and protons are equal
Electron-binding energy - ANS-force that holds electrons in orbit around the nucleus
Electrostatics - ANS-stationary electrical charges (static electricity)
Energy - ANS-ability to do work
Frequency - ANS-number of wavelengths passing a given point per unit time; measured
in hertz (Hz)
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