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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for the energy stored in a capacitor?
π‘ Hint: Think about the charge and voltage relationship.
Question 2
Easy
What units define capacitance?
π‘ Hint: Consider current and voltage.
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 charge, voltage, and energy in capacitors?
- W = 1/2QV
- W = CΒ²V
- W = QVΒ²
π‘ Hint: Look at the basic energy formula.
Question 2
True or False: The energy stored in a capacitor decreases when voltage increases.
- True
- False
π‘ Hint: Consider how voltage influences energy in formulas.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Consider a capacitor with a capacitance of 22ΞΌF charged to 12V. If the voltage is doubled, what happens to the stored energy?
π‘ Hint: Follow the energy formula carefully.
Question 2
A capacitor charged to 20V is disconnected from a battery and then connected to an uncharged capacitor of same capacitance. What will be the final voltage?
π‘ Hint: Remember charge conservation and capacitance properties.
Challenge and get performance evaluation