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3 cards from this section. Quick, good the night before a test.
What is capacitance?
It's the ratio of charge to voltage.
Define dielectric.
Think of insulators that affect electric fields.
What is the formula for capacitance in vacuum?
Remember the basic formula for capacitance!
True or False: Adding a dielectric increases the electric field strength in a capacitor.
Think about the polarization effect.
A capacitor has a capacitance of 5 µF. If a dielectric with a dielectric constant of 3 is added, what will be the new capacitance?
Use the formula relating capacity and dielectric constant.
Design a capacitor circuit that incorporates at least two different dielectric materials and predict the total capacitance.
Remember how dielectrics add capacitance in both series and parallel arrangements.
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