Electrical Currents Quiz

Play an AI-generated podcast conversation about this lesson

Which of the following is the fundamental unit of matter?

Proton

Neutron

Atom (correct)

Electron

What are the components of an atom?

Nucleus and electrons

Protons and neutrons (correct)

Neutrons and electrons

Protons and electrons

Which shell is located closest to the nucleus and has the highest energy level?

M shell

N shell

L shell

K shell (correct)

Which type of radiation is responsible for producing the majority of x-rays in a dental x-ray machine?

General radiation Signup and view all the answers

What is the primary beam of x-rays often referred to as?

Useful beam Signup and view all the answers

Which type of radiation is less penetrating than primary radiation?

Secondary radiation Signup and view all the answers

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

Scatter radiation Signup and view all the answers

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

Photoelectric effect Signup and view all the answers

What does the Compton effect account for at the atomic level?

62% of the scatter radiation Signup and view all the answers

What happens to a new, weaker x-ray photon after it undergoes Compton scatter?

It interacts with other atoms until all its energy is gone Signup and view all the answers

Which shell requires more energy to remove an electron from, the K-shell or the M-shell?

K-shell Signup and view all the answers

What is the simplest atom?

Hydrogen Signup and view all the answers

What is the definition of a molecule?

Two or more atoms joined by chemical bonds Signup and view all the answers

What happens to an atom when it gains or loses an electron?

It becomes a neutral atom Signup and view all the answers

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

The shorter the wavelength, the higher the energy. Signup and view all the answers

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

Frequency and wavelength are inversely related. Signup and view all the answers

Which one of the following statements is true about low-frequency electromagnetic radiations?

They have a long wavelength and less energy. Signup and view all the answers

Which one of the following statements is true about high-frequency electromagnetic radiations?

They have a short wavelength and more energy. Signup and view all the answers

Which type of electrical current describes the flow of electrons in one direction through a conductor?

Direct current (DC) Signup and view all the answers

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

Amperage Signup and view all the answers

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

Voltage Signup and view all the answers

Which transformer is used to decrease the voltage from the incoming line voltage to the 3 to 5 V used by the filament circuit?

Step-down transformer Signup and view all the answers

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

Compton scatter Signup and view all the answers

What percentage of the interactions of the dental x-ray beam with matter does the photoelectric effect account for?

30% Signup and view all the answers

What happens to a new, weaker x-ray photon after it undergoes Compton scatter?

It interacts with other atoms until all its energy is gone Signup and view all the answers

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

Alternating current (AC) Signup and view all the answers

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

Voltage Signup and view all the answers

Which transformer is used to increase the voltage from the incoming line voltage to the 65,000 to 100,000 volts used by the high-voltage circuit?

Step-up transformer Signup and view all the answers

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

Amperage Signup and view all the answers

Which type of radiation is capable of producing ions by removing or adding an electron to an atom?

X-rays Signup and view all the answers

What are cathode rays?

Streams of high-speed electrons that originate in an x-ray tube Signup and view all the answers

What are protons?

Accelerated particles with a mass of 1 and a charge of +1 Signup and view all the answers

What are neutrons?

Accelerated particles with a mass of 1 and no electrical charge Signup and view all the answers

Which one of the following is true about the components of an atom?

The atom consists of a central nucleus and orbiting electrons and neutrons Signup and view all the answers

Which one of the following is true about the binding energy of an electron?

The binding energy is determined by the distance between the nucleus and the orbiting electron Signup and view all the answers

Which one of the following is true about the shells of an atom?

The shells are designated with the letters K, L, M, N, O, P, and Q Signup and view all the answers

Which one of the following statements is true about the x-ray tubehead?

The tubehead is a tightly sealed, heavy metal housing. Signup and view all the answers

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

To supply the electrons necessary to generate x-rays. Signup and view all the answers

Which one of the following statements is true about the anode in the x-ray tube?

The anode dissipates the heat away from the tungsten target. Signup and view all the answers

What is the purpose of the lead collimator in the x-ray tubehead?

To restrict the size of the x-ray beam. Signup and view all the answers

Which type of radiation is responsible for producing the majority of x-rays in a dental x-ray machine?

Primary radiation Signup and view all the answers

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

Secondary radiation Signup and view all the answers

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

Scatter radiation Signup and view all the answers

What is the term used to describe the sudden stopping of high-speed electrons when they hit the tungsten target in the anode?

General radiation Signup and view all the answers

Electrical Currents Quiz

Choose a study mode

Podcast

Questions and Answers

Which of the following is the fundamental unit of matter?

What are the components of an atom?

Which shell is located closest to the nucleus and has the highest energy level?

Which type of radiation is responsible for producing the majority of x-rays in a dental x-ray machine?

What is the primary beam of x-rays often referred to as?

Which type of radiation is less penetrating than primary radiation?

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

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

What does the Compton effect account for at the atomic level?

What happens to a new, weaker x-ray photon after it undergoes Compton scatter?

Which shell requires more energy to remove an electron from, the K-shell or the M-shell?

What is the simplest atom?

What is the definition of a molecule?

What happens to an atom when it gains or loses an electron?

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

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

Which one of the following statements is true about low-frequency electromagnetic radiations?

Which one of the following statements is true about high-frequency electromagnetic radiations?

Which type of electrical current describes the flow of electrons 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?

Which transformer is used to decrease the voltage from the incoming line voltage to the 3 to 5 V used by the filament circuit?

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

What percentage of the interactions of the dental x-ray beam with matter does the photoelectric effect account for?

What happens to a new, weaker x-ray photon after it undergoes Compton scatter?

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

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

Which transformer is used to increase the voltage from the incoming line voltage to the 65,000 to 100,000 volts used by the high-voltage circuit?

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

Which type of radiation is capable of producing ions by removing or adding an electron to an atom?

What are cathode rays?

What are protons?

What are neutrons?

Which one of the following is true about the components of an atom?

Which one of the following is true about the binding energy of an electron?

Which one of the following is true about the shells of an atom?

Which one of the following statements is true about the x-ray tubehead?

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

Which one of the following statements is true about the anode in the x-ray tube?

What is the purpose of the lead collimator in the x-ray tubehead?

Which type of radiation is responsible for producing the majority of x-rays in a dental x-ray machine?

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

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

What is the term used to describe the sudden stopping of high-speed electrons when they hit the tungsten target in the anode?

More Like This

Atomic Structure and Radiation

Radiation and Atomic Structure Quiz

Radiation and Atomic Structure of Helium

Physics: Electromagnetic Radiation and Atomic Structure