Coulomb's Law

What does Coulomb's Law describe?

• The force between two charged objects

• The energy of a photon

• The speed of light in a vacuum

• The gravitational force between two masses

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According to Coulomb's Law, the force between two charges is directly proportional to the product of the charges and inversely proportional to what?

• The square of the distance between them

• The sum of the charges

• The cube of the distance between them

• The square root of the distance between them

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Which of the following is the correct expression for Coulomb's Law?

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In Coulomb's Law, what does the constant 'k' represent?

• Coulomb's constant

• Gravitational constant

• Planck's constant

• Boltzmann's constant

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If the distance between two charges is doubled, what happens to the force between them according to Coulomb's Law?

• It becomes one-fourth

• It doubles

• It remains the same

• It becomes half

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Coulomb's Law is applicable in which type of medium?

• Vacuum

• Water

• Air

• All of the above

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Which unit is used to measure electric charge in Coulomb's Law?

• Coulomb

• Newton

• Joule

• Watt

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What is the dimensional formula of the force in Coulomb's Law?

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Coulomb's Law is similar in form to which other fundamental law of physics?

• Newton's Law of Universal Gravitation

• Ohm's Law

• Hooke's Law

• Boyle's Law

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What happens to the force between two charges if one of the charges is tripled?

• The force triples

• The force doubles

• The force remains the same

• The force halves

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NGSS.HS-PS2-4