Transfer of Electric Charges Quiz

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What is the purpose of rubbing two neutrally-charged objects together?

To generate an electric field
To change the physical properties of the objects
To decrease the electron affinity of the objects
To transfer electrons from one object to another (correct)

What determines the direction of electron transfer when rubbing two neutrally-charged objects together?

The mass of the objects
The volume of the objects
The electron affinity of the objects (correct)
The color of the objects

What is the purpose of the triboelectric series mentioned in the text?

To identify which materials have a higher chance to gain or lose electrons (correct)
To determine which materials are magnetic
To categorize materials based on their mass
To rank materials based on their color

Which method of charging allows the transfer of electrons without physical contact between two uncharged objects?

Charging by Induction (B) Signup and view all the answers

In charging by induction, how can two neutral metal spheres be charged with separate positive and negative charges?

By introducing a charged object into the system (D) Signup and view all the answers

What term describes the chance for a neutrally charged object to gain electrons?

Electron Affinity (C) Signup and view all the answers

What happens when a negatively-charged object is brought into contact with a neutral metal sphere?

Excess electrons move from the object onto the metal sphere. (D) Signup and view all the answers

If a positively charged object is brought into contact with a neutral metal sphere, what happens?

Electrons from the metal sphere move to the positively charged object. (D) Signup and view all the answers

What is the process of transferring electrons from one object to another through rubbing known as?

Charging by Friction (D) Signup and view all the answers

Why do protons not transfer between objects during the charging process?

Protons are tightly bound to their nucleus and cannot easily leave. (C) Signup and view all the answers

In charging by induction, what happens when a charged object is brought close to a neutral conductor?

Electrons move from the conductor to the charged object. (A) Signup and view all the answers

What is the result when a neutral metal sphere comes in contact with a positively charged object?

The metal sphere acquires a positive electrical charge. (B) Signup and view all the answers

According to Coulomb's Law, what happens to the electrostatic force as the separation distance between charges increases?

It decreases (C) Signup and view all the answers

If two charges are brought closer together, what happens to the interaction between them according to Coulomb's Law?

The interaction increases (D) Signup and view all the answers

What is the relationship between the amount of charge on objects and the electrostatic force according to Coulomb's Law?

They are directly proportional (C) Signup and view all the answers

In a system where two charges experience an attractive force, what can be inferred about their nature?

The charges have opposite signs (A) Signup and view all the answers

When two like charges experience a repulsive force, what conclusion can be drawn about their charges?

Both charges are positive (A) Signup and view all the answers

What does Charles-Augustin de Coulomb's mathematical equation describe?

Electric field between charges (C) Signup and view all the answers