Podcast
Questions and Answers
What is the source of the word 'electricity'?
What is the source of the word 'electricity'?
- The Greek word for amber, ἤλεκτρον (ḗlektron) (correct)
- The Sanskrit word for amber, āṁbar
- The Arabic word for amber, كهرمان (kahraman)
- The Latin word for amber, electrum
What law describes the forces between electric charges?
What law describes the forces between electric charges?
- Coulomb's law (correct)
- Boyle's law
- Newton's law of gravitation
- Ohm's law
What is an example of an electrostatic phenomenon mentioned in the text?
What is an example of an electrostatic phenomenon mentioned in the text?
- Attraction of metal to a magnet
- Attraction of wood to a glass surface
- Attraction of plastic wrap to one's hand (correct)
- Attraction of paper to a rubber surface
At what scale do electrostatic forces play a large role?
At what scale do electrostatic forces play a large role?
How much stronger is the force between an electron and a proton compared to the gravitational force acting between them?
How much stronger is the force between an electron and a proton compared to the gravitational force acting between them?
Flashcards
Origin of "electricity"
Origin of "electricity"
The word "electricity" comes from the Greek word for amber, which is ἤλεκτρον (ḗlektron).
Coulomb's Law
Coulomb's Law
Coulomb's law is a law of physics that describes the forces between electric charges.
Example of Electrostatic Phenomenon
Example of Electrostatic Phenomenon
An example of an electrostatic phenomenon is the attraction of plastic wrap to one's hand.
Electrostatic Forces at Nanoscale
Electrostatic Forces at Nanoscale
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Electrostatic vs. Gravitational Force
Electrostatic vs. Gravitational Force
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