Electrostatics Quiz

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Questions and Answers

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?

Gravitational phenomena
Electrostatic phenomena (correct)
Magnetic phenomena
Nuclear phenomena

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?

<p>$F = k_e \frac{|q_1 q_2|}{r^2}$, where $F$ is the force between the charges, $k_e$ is Coulomb's constant, $q_1$ and $q_2$ are the magnitudes of the charges, and $r$ is the distance between the charges. (D)</p> Signup and view all the answers