Physics Chapter 4 X-ray Circuit Exam Review Solution 2023 Qs&As

Physics Chapter 4 X-ray Circuit Exam Review Solution 2023 Qs&As Alternating Current (AC) - ANSWER-Electrical current that changes direction in cycles as the electric potential of the source changes Automatic Exposure Control (AEC) - ANSWER-A device that uses an ionization chamber to detect the quantity of radiation exposing the pt and IR Conductor - ANSWER-Material with an abundance of free electrons allowing free flow of electricity Current - ANSWER-An expression of the flow of electrons in a conductor Direct Current (DC) - ANSWER-A type of electrical current that flows in only one direction Electric Potential - ANSWER-The ability to do work because of a separation of charges Electrodynamics - ANSWER-The study of electric charges in motion Electromagnetic Induction - ANSWER-The phenomenon of inducing an electric current in that conductor by moving a conductor through a magnetic field Electromagnetism - ANSWER-The phenomenon of electricity and magnetism existing as two parts of the same basic force, electromotive force. A magnetic field is created by a flow of electricity, and a moving magnetic field can create an electric current Electrostatics - ANSWER-The study of stationary electric charges Filament Circuit - ANSWER-Section of the x-ray circuit that consists of a rheostat, a step-down transformer, and the filaments Generators - ANSWER-Device that converts some form of mechanical energy into electrical energy Grounding - ANSWER-A protective measure to neutralize an electric charge; also a process of connecting the electrical device to the earth via a conductor Insulator - ANSWER-Material with very few free electrons prohibiting the flow of electricity Magnetism - ANSWER-T... The smallest units of charge exist with the ____________________ and ______________________ - ANSWER-electron proton Units of measure for electrical charge - ANSWER-Coulomb Electricity most often results from the movement of ______________________ - ANSWER-electrons Describe the movement of protons inside the nucleus of the atom: - ANSWER-They are relatively fixed in their position. Describe the movement of electrons in an atom: - ANSWER-They are free to move about depending on the material. _______________ and _________________have very large number of free electrons in outer shell therefore they are good conductors - ANSWER-copper and gold _______________ and _________________ have very few free electrons in outer shell therefore they are good insulators - ANSWER-glass and plastic 5 general principles of electrostatics: - ANSWER-Law of Repulsion and Attraction, Inverse Square Law, Distribution, Concentration, and Movement Which general principle of electrostatics states that like charges repel and unlike charges attract? - CONTINUES...