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Conservation of Charge Example Problems

Conservation of Charge Example Problems

Assessment

Interactive Video

•

Physics, Science

•

11th Grade - University

•

Practice Problem

•

Hard

Created by

Wayground Content

FREE Resource

The video tutorial covers the concept of isolated systems in physics, emphasizing the conservation of charge. It includes example problems to illustrate how charge is conserved in isolated systems and discusses the importance of understanding the elementary charge. The tutorial also explores the distribution of charge in conducting spheres and compares electric forces before and after contact. The instructor highlights the significance of showing work and understanding solutions rather than just finding answers.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an isolated system in the context of physics?

A system where charges can neither enter nor exit

A system where energy can enter but not leave

A system that is in thermal equilibrium

A system that is open to external forces

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the example problem, what was the initial total charge of the two objects before collision?

Zero

Negative 3E

Negative 6E

Positive 3E

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a possible final charge combination for the two objects after collision?

Positive 2E and Negative 2E

Positive 4E and Negative 7E

Negative 1.5E and Negative 1.5E

Negative 3.5E and Positive 2.5E

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to use the term 'elementary charge' instead of just 'E'?

To avoid confusion with energy

To ensure understanding of charge quantization

To make the problem more complex

To simplify calculations

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the elementary charge?

The charge of a neutron

The charge of a proton or electron

The charge of a molecule

The charge of a photon

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the second example problem, what is the final charge on each sphere after they are touched together?

3.0 nano coulombs

6.0 nano coulombs

4.5 nano coulombs

9.0 nano coulombs

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the final electric force between the spheres compare to the initial electric force?

It is lesser

It is greater

It is the same

It cannot be determined

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