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Questions and Answers
What does Coulomb's law state?
What does Coulomb's law state?
- The magnitude of the electrostatic force of attraction or repulsion between two point charges is directly proportional to the product of the magnitudes of charges and inversely proportional to the square of the distance between them. (correct)
- The magnitude of the electrostatic force of attraction or repulsion between two point charges is directly proportional to the square of the distance between them.
- The magnitude of the electrostatic force of attraction or repulsion between two point charges is inversely proportional to the product of the magnitudes of charges and directly proportional to the square of the distance between them.
- The magnitude of the electrostatic force of attraction or repulsion between two point charges is inversely proportional to the product of the magnitudes of charges and inversely proportional to the square of the distance between them.
What phenomenon was responsible for coining the term 'electricity'?
What phenomenon was responsible for coining the term 'electricity'?
- Operation of photocopiers & laser printers
- Damage of electronic components during manufacturing
- Attraction of lightweight particles by amber after rubbing (correct)
- Spontaneous explosion of grain silos
At what scale do Coulomb forces play a very large role in how atoms and molecules behave?
At what scale do Coulomb forces play a very large role in how atoms and molecules behave?
- Nanoscale (correct)
- Kiloscale
- Megascale
- Microscale
What is more than 39 orders of magnitude stronger than the gravitational force acting between an electron and a proton?
What is more than 39 orders of magnitude stronger than the gravitational force acting between an electron and a proton?
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Which type of forces play a large role at small scales in how atoms and molecules behave?
Which type of forces play a large role at small scales in how atoms and molecules behave?
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