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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Where does the electric potential equal zero for two charges of equal magnitude and opposite sign?
π‘ Hint: Consider the concept of superposition.
Question 2
Easy
What is the capacitance of a capacitor with charge of 4 ΞΌC and potential difference of 2 V?
π‘ Hint: Use the formula for capacitance.
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 unit of capacitance?
- Farad
- Coulomb
- Volt
π‘ Hint: Think about how capacitance is defined in terms of charge.
Question 2
True or False: Electric potential is the same at all points in an equipotential surface.
- True
- False
π‘ Hint: Recall the characteristics of an equipotential surface.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A capacitor has a capacitance of 10 ΞΌF. If charged to 100 V, what is the stored energy? Then, if it is short-circuited, how much energy is dissipated?
π‘ Hint: Use the energy formula.
Question 2
Calculate the potential at a point P located 4 cm from a charge of 5 Γ 10^-8 C, and 12 cm from a charge of -3 Γ 10^-8 C.
π‘ Hint: Use the principle of superposition.
Challenge and get performance evaluation