2. Electric Force, Field, and Potential
Capacitors — Quiz
Test your understanding of capacitors with 5 practice questions.
Practice Questions
Question 1
What is the main purpose of a capacitor in an electric circuit?
Question 2
What is the electric field inside the conducting material of an ideal charged capacitor plate?
Question 3
Which expression gives the capacitance of a parallel-plate capacitor with plate area $A$, plate separation $d$, and vacuum between the plates?
Question 4
If the charge on a capacitor doubles while its capacitance stays the same, what happens to the potential difference across the capacitor?
Question 5
What happens to the capacitance of a parallel-plate capacitor if a dielectric material is inserted between the plates while the geometry stays the same?