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Questions and Answers
What is the source of the word 'electricity'?
What is the source of the word 'electricity'?
- The Arabic word for amber, كهرباء (kahrabaa')
- The Sanskrit word for amber, इलेक्ट्रम् (ilekṭram)
- The Greek word for amber, ἤλεκτρον (ḗlektron) (correct)
- The Latin word for amber, electrum
What phenomenon arises from electrostatic forces as simple as attraction of plastic wrap to one's hand after it is removed from a package?
What phenomenon arises from electrostatic forces as simple as attraction of plastic wrap to one's hand after it is removed from a package?
- Gravitational phenomena
- Electrostatic phenomena (correct)
- Magnetic phenomena
- Nuclear phenomena
What role do electrostatic forces play at nanoscale?
What role do electrostatic forces play at nanoscale?
- They are only relevant in macroscopic systems.
- They are negligible compared to gravitational forces at nanoscale.
- They play a large role in how atoms and molecules behave due to large Coulomb forces between electrons and positively charged nuclei. (correct)
- They have no significant impact at nanoscale.
What does Coulomb's law state?
What does Coulomb's law state?
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What are electrostatic forces described by?
What are electrostatic forces described by?
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