Practice - Potential energy of a system of two charges in an external field
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Practice Questions
Test your understanding with targeted questions
Define potential energy in electrostatics.
💡 Hint: Think about what is needed to move two charges together.
What is the superposition principle?
💡 Hint: Consider how you would find the total effect of multiple forces.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the relationship between work done and potential energy?
💡 Hint: Consider how energy changes as charges are moved.
True or False: Potential energy can be positive or negative.
💡 Hint: Think about attractive and repulsive forces.
1 more question available
Challenge Problems
Push your limits with advanced challenges
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.
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.
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