Coulomb's Law Quiz

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Questions and Answers

What does Coulomb's law state?

The magnitude of the electrostatic force between two point charges is inversely proportional to the product of the magnitudes of their charges and directly proportional to the squared distance between them.
The magnitude of the electrostatic force between two point charges is inversely proportional to the product of the magnitudes of their charges and inversely proportional to the squared distance between them.
The magnitude of the electrostatic force between two point charges is directly proportional to the product of the magnitudes of their charges and directly proportional to the squared distance between them.
The magnitude of the electrostatic force between two point charges is directly proportional to the product of the magnitudes of their charges and inversely proportional to the squared distance between them. (correct)

What did Coulomb discover about bodies with like electrical charges?

They repel each other according to a direct proportion of the square of the distance.
They attract each other according to a direct proportion of the square of the distance.
They attract each other according to an inverse proportion of the square of the distance.
They repel each other according to an inverse proportion of the square of the distance. (correct)

What is the formula for the electrostatic force between two point charges according to Coulomb's law?

$F = kq_1q_2r^2$
$F = k\frac{q_1}{q_2r}$
$F = k\frac{q_1q_2}{r}$
$F = k\frac{q_1q_2}{r^2}$ (correct)

What did Coulomb's law allow meaningful discussions of?

<p>The amount of electric charge in a particle. (B)</p> Signup and view all the answers

What is the electric force conventionally called according to Coulomb's law?

<p>Electrostatic force (D)</p> Signup and view all the answers

Study Notes

Coulomb's Law

Coulomb's law states that the electric 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.

Coulomb's Discoveries

Coulomb discovered that like electrical charges repel each other, whereas opposite charges attract each other.

Formula for Electrostatic Force

The formula for the electrostatic force between two point charges according to Coulomb's law is: F = k * (q1 * q2) / r^2, where F is the electrostatic force, k is Coulomb's constant, q1 and q2 are the magnitudes of the two point charges, and r is the distance between them.

Significance of Coulomb's Law

Coulomb's law allowed for meaningful discussions of electric forces between charges and the behavior of electrically charged objects.

Electric Force Convention

The electric force is conventionally called the Coulomb force, named after Charles-Augustin de Coulomb, the French physicist who discovered the law.

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Description

Test your knowledge of electrostatics with this quiz on Coulomb's Law. Challenge yourself with questions about the force between charged particles, the inverse-square law, and the contributions of Charles-Augustin de Coulomb.