Electrical Currents Quiz

Which of the following is the fundamental unit of matter?

What is the maximum number of electrons that each shell in an atom can hold?

What is the binding energy of an electron determined by?

Which type of radiation is capable of ionization?

What is the charge of a proton?

What is the simplest atom?

What is the energy required to remove an electron from the M-shell?

Which type of interaction accounts for 30% of the interactions of the dental x-ray beam with matter?

What percentage of scatter radiation at the atomic level is accounted for by the Compton effect?

Which type of interaction accounts for 62% of the scatter that occurs in dental x-rays?

Which type of electrical current flows in one direction through a conductor?

What is the measurement of the number of electrons moving through a conductor?

What is the measurement of electrical force that causes electrons to move from a negative pole to a positive one?

What is the function of a step-up transformer in the production of dental x-rays?

Which one of the following statements is true about wavelength and energy of radiation?

What does frequency refer to?

How are frequency and wavelength related?

Which of the following statements is true about the energy of electromagnetic radiation?

Which type of radiation accounts for the majority of x-rays produced in a dental x-ray machine?

What is the main purpose of the lead collimator in an x-ray tube?

What is the term used to describe x-radiation that is created when the primary beam interacts with matter?

What is the process by which ionization takes place as a result of the total transfer of energy from an x-ray photon to the atoms of matter?

Which two particles make up the central nucleus of an atom?

Which shell is located closest to the nucleus in an atom?

What is the binding energy of an electron determined by?

Which type of radiation is capable of ionizing atoms by removing or adding an electron?

What is the charge of a neutron?

What is the process by which certain unstable atoms undergo spontaneous disintegration in an effort to attain a more balanced nuclear state?

What is the distance between the crest of one wave and the crest of the next called?

Which type of interaction accounts for the majority of scatter radiation at the atomic level?

What percentage of scatter radiation at the atomic level is accounted for by the Compton effect?

What is the process by which an x-ray photon transfers all its energy to eject an electron from its orbit?

Which component part of the x-ray tube is responsible for converting electrons into x-ray photons?

What is the purpose of the tungsten filament in the negative cathode of the x-ray tube?

What is the function of the lead collimator in an x-ray tube?

What is the purpose of the insulating oil in the tubehead of the x-ray machine?

Which type of radiation accounts for approximately 70% of the x-ray energy produced at the anode?

What is the term used to describe x-radiation that is created when the primary beam interacts with matter?

What is the process by which ionization takes place as a result of the total transfer of energy from an x-ray photon to the atoms of matter?

What is the term used to describe x-radiation that has been deflected from its path by the interaction with matter?

Which type of electrical current describes an electrical current in which the electrons flow in two, opposite directions?

What is the function of the step-down transformer in the production of dental x-rays?

What is the measurement of electrical force that causes electrons to move from a negative pole to a positive one?

What is the purpose of the autotransformer in the production of dental x-rays?