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Questions and Answers
What did Coulomb vary in his experiments to establish the force between charges?
What did Coulomb vary in his experiments to establish the force between charges?
- The distance between fixed charges
- Both the distance and magnitude of charges (correct)
- The magnitude of fixed charges
- Neither the distance nor magnitude of charges
What did Coulomb's experiments initially establish?
What did Coulomb's experiments initially establish?
- The magnitude of the unit charge
- The mathematical relation for the force between charges (correct)
- The value of the constant k
- The subatomic nature of charges
At what scale has Coulomb's law been established?
At what scale has Coulomb's law been established?
- Both macroscopic and subatomic scales (correct)
- Only at the subatomic scale
- Only at the macroscopic scale
- Neither macroscopic nor subatomic scales
What does Coulomb's law provide a definition for?
What does Coulomb's law provide a definition for?
What determines the size of the unit of charge in Coulomb's law?
What determines the size of the unit of charge in Coulomb's law?
What is the SI unit of charge called, based on the value of k chosen?
What is the SI unit of charge called, based on the value of k chosen?
What is the main focus of the given text?
What is the main focus of the given text?
Under what condition can charged bodies be treated as point charges?
Under what condition can charged bodies be treated as point charges?
What was Coulomb's approach to discover the relationship between force and charges?
What was Coulomb's approach to discover the relationship between force and charges?
What happens when an uncharged metallic sphere is brought into contact with a charged metallic sphere?
What happens when an uncharged metallic sphere is brought into contact with a charged metallic sphere?
According to Coulomb's law, what is the relationship between the force (F) and the distance (r) between two point charges?
According to Coulomb's law, what is the relationship between the force (F) and the distance (r) between two point charges?
What does the constant k in Coulomb's law equation ($F = \frac{k q_1 q_2}{r^2}$) represent?
What does the constant k in Coulomb's law equation ($F = \frac{k q_1 q_2}{r^2}$) represent?
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