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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What effect does inserting a dielectric have on capacitance?
๐ก Hint: Think about how the dielectric interacts with the electric field.
Question 2
Easy
Define the term 'dielectric constant.'
๐ก Hint: Consider what K represents in the capacitance formula.
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 effect of inserting a dielectric into a capacitor?
- Reduces capacitance
- Increases capacitance
- Has no effect
๐ก Hint: Think about why we use dielectrics in capacitors.
Question 2
The dielectric constant affects which of the following?
๐ก Hint: Recall the role of K in the capacitance formula.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the new capacitance of a capacitor originally rated at 10 ยตF when a dielectric with a dielectric constant of 5 is introduced.
๐ก Hint: Use the capacitance formula with the dielectric constant.
Question 2
If a capacitor has a plate area of 0.2 mยฒ, distance of 0.02 m, and a dielectric constant of 4, calculate the capacitance and the stored energy if a voltage of 100 V is applied.
๐ก Hint: Use both capacitance and energy formulas.
Challenge and get performance evaluation