Podcast
Questions and Answers
Which material was known to attract lightweight particles after rubbing and led to the word 'electricity'?
Which material was known to attract lightweight particles after rubbing and led to the word 'electricity'?
- Silver
- Iron
- Amber (correct)
- Copper
What is the branch of physics that studies slow-moving or stationary electric charges?
What is the branch of physics that studies slow-moving or stationary electric charges?
- Electronics
- Electrostatics (correct)
- Electrodynamics
- Electromagnetism
What law describes the forces that electric charges exert on each other?
What law describes the forces that electric charges exert on each other?
- Faraday's Law
- Newton's Law of Gravitation
- Coulomb's Law (correct)
- Ohm's Law
What phenomenon describes the attraction of plastic wrap to one's hand after it is removed from a package?
What phenomenon describes the attraction of plastic wrap to one's hand after it is removed from a package?
At what scale do electrostatic forces play a large role?
At what scale do electrostatic forces play a large role?
What is the SI unit of vacuum permittivity, ε0?
What is the SI unit of vacuum permittivity, ε0?
What force between an electron and a proton is more than 39 orders of magnitude stronger than the gravitational force acting between them?
What force between an electron and a proton is more than 39 orders of magnitude stronger than the gravitational force acting between them?
What is the value of the Coulomb constant, ke?
What is the value of the Coulomb constant, ke?
What defines the electrostatic force F on a hypothetical small test charge due to Coulomb's Law?
What defines the electrostatic force F on a hypothetical small test charge due to Coulomb's Law?
What type of force exists between two point charges with the same sign?
What type of force exists between two point charges with the same sign?
What is the magnitude of the electric field at any given point represented by?
What is the magnitude of the electric field at any given point represented by?
What does the electric field, E, represent?
What does the electric field, E, represent?
What does the Coulomb's law state about the electrostatic force between two point charges with different signs?
What does the Coulomb's law state about the electrostatic force between two point charges with different signs?
What happens to the electric field lines at the location of point charges?
What happens to the electric field lines at the location of point charges?
What does ε0 represent in Coulomb's law?
What does ε0 represent in Coulomb's law?
What are the SI units of ε0?
What are the SI units of ε0?
