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15 Questions

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Electrostatics Basics

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Questions and Answers

What does Coulomb's law describe?

The magnitude of the electrostatic force of attraction or repulsion between two point charges (correct)

The behavior of electric currents in conductors

The effect of temperature on electric charges

The relationship between electricity and magnetism

What is the source of the word 'electricity'?

The Latin word for amber, electrum

The Arabic word for amber, كهرمان (kahrabān)

The Sanskrit word for amber, ēlēkṭrik

The Greek word for amber, ἤλεκτρον (ḗlektron) (correct)

At what scale do electrostatic forces play a large role?

Nanoscale (correct)

Megascale

Microscale

Kiloscale

What is the relationship between the electrostatic force and the distance between two point charges according to Coulomb's law?

Directly proportional to the product of the magnitudes of charges and inversely proportional to the square of the distance between them Signup and view all the answers

What example is given to illustrate electrostatic phenomena?

The attraction of plastic wrap to one's hand after it is removed from a package Signup and view all the answers

What does Gauss's law in its integral form state?

The flux of the electric field out of an arbitrary closed surface is proportional to the electric charge enclosed by the surface Signup and view all the answers

When can Gauss's law be used in its differential form?

When symmetry mandates uniformity of the electric field Signup and view all the answers

Who first formulated Gauss's law?

Joseph-Louis Lagrange in 1773 Signup and view all the answers

What does Gauss's law relate in physics?

Electric charge to the resulting electric field Signup and view all the answers

What mathematical theorem is relevant to Gauss's law, Gauss's law for magnetism, and Gauss's law for gravity?

Divergence theorem Signup and view all the answers

What does Gauss's law in its integral form state?

The flux of the electric field out of an arbitrary closed surface is proportional to the electric charge enclosed by the surface Signup and view all the answers