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Questions and Answers
Questions and Answers
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?
- Thermodynamics
- Quantum mechanics
- Electromagnetism
- Electrostatics (correct)
What law describes the electrostatic force of attraction or repulsion between two point charges?
What law describes the electrostatic force of attraction or repulsion between two point charges?
- Coulomb's law (correct)
- Ohm's law
- Ampère's law
- Newton's law of universal gravitation
What is the Greek word for amber, which was the source of the word 'electricity'?
What is the Greek word for amber, which was the source of the word 'electricity'?
- Κέχρι
- Ἤλεκτρον (ḗlektron) (correct)
- Ἀμπρόσιο
- Κρυστάλλινο
At what scale do electrostatic forces play a large role?
At what scale do electrostatic forces play a large role?
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What is the magnitude of the electrostatic force between two point charges proportional to, according to Coulomb's law?
What is the magnitude of the electrostatic force between two point charges proportional to, according to Coulomb's law?
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Questions and Answers
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Study Notes
Study Notes
Electrostatics
- Electrostatics is the branch of physics that studies slow-moving or stationary electric charges.
Coulomb's Law
- Coulomb's Law describes the electrostatic force of attraction or repulsion between two point charges.
Origin of the Word "Electricity"
- The word "electricity" originates from the Greek word "ēlektron", meaning amber.
Electrostatic Forces
- Electrostatic forces play a significant role at the atomic and molecular scale.
Coulomb's Law Formula
- The magnitude of the electrostatic force between two point charges is proportional to the product of the magnitudes of the charges and inversely proportional to the square of the distance between them, according to Coulomb's Law.
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