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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define potential energy in electrostatics.
💡 Hint: Think about what is needed to move two charges together.
Question 2
Easy
What is the superposition principle?
💡 Hint: Consider how you would find the total effect of multiple forces.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the relationship between work done and potential energy?
- Directly proportional
- Inversely proportional
- No relationship
💡 Hint: Consider how energy changes as charges are moved.
Question 2
True or False: Potential energy can be positive or negative.
- True
- False
💡 Hint: Think about attractive and repulsive forces.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Two charges, +3 µC and -3 µC, are placed 50 cm apart in an external field of strength 200 N/C. Find the total potential energy of this configuration.
💡 Hint: Start by determining each piece of energy involved.
Question 2
A charge q is moved from point A to point B in a uniform electric field. Describe how the work done changes as the distance between A and B increases.
💡 Hint: Think of the formula for work done in a force field.
Challenge and get performance evaluation