Practice - EXERCISES
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Practice Questions
Test your understanding with targeted questions
Where does the electric potential equal zero for two charges of equal magnitude and opposite sign?
💡 Hint: Consider the concept of superposition.
What is the capacitance of a capacitor with charge of 4 μC and potential difference of 2 V?
💡 Hint: Use the formula for capacitance.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the unit of capacitance?
💡 Hint: Think about how capacitance is defined in terms of charge.
True or False: Electric potential is the same at all points in an equipotential surface.
💡 Hint: Recall the characteristics of an equipotential surface.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A capacitor has a capacitance of 10 μF. If charged to 100 V, what is the stored energy? Then, if it is short-circuited, how much energy is dissipated?
💡 Hint: Use the energy formula.
Calculate the potential at a point P located 4 cm from a charge of 5 × 10^-8 C, and 12 cm from a charge of -3 × 10^-8 C.
💡 Hint: Use the principle of superposition.
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Reference links
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