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Capacitance and Dielectrics Quiz

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1. What unit is capacitance measured in?

2. What is the relative permittivity (dielectric constant) of vacuum?

3. Which factor directly increases the energy stored in a capacitor?

4. Which process occurs within a dielectric material when it is placed in an external electric field?

5. How does a dielectric material inside a capacitor affect its capacitance?

6. What equation represents the capacitance of a parallel-plate capacitor?

7. What is the effect of doubling the distance between the plates of a parallel-plate capacitor on its capacitance?

8. What is the main function of a dielectric material in a capacitor?

9. Which formula represents the energy stored in a capacitor?

10. What happens to the energy stored in a capacitor if the voltage across it is doubled?