Capacitance

Topic Page

Questions

• Why is capacitance important?
• Is capacitance constant?
• When the voltage across a capacitor is tripled, what happens to the stored?
• When the plate area of a capacitor increases, what happens to the capacitance?
• A 330 pF capacitor and a 220 pF capacitor in series are each connected across a 6 V dc source. What is the voltage across the 330 pF capacitor?
• Does capacitance change with frequency?
• How does capacitance affect impedance?
• A sine wave voltage is applied across a capacitor. When the frequency of the voltage is decreased, what happens to the current?
• What is the capacitance when Q = 60 µC and V = 12 V?
• Four 0.15 µF capacitors are in parallel. What is the total capacitance?
• A 10 F, 20 F, 22 F, and 100 F capacitor are in parallel. What is the total capacitance?
• How do capacitors store energy?
• How is a capacitor charged?
• How can capacitance be increased?
• What are some common mistakes students make with capacitance?
• What is an example of a capacitance practice problem?
• What is capacitance?
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• A capacitor is formed by two square metal plates of edge a, separated by a distance d, Dielectrics of dielectric constants #K_1# and #K_2# are filled in the gap as shown in figure. Find the capacitance.?