A parallel-plate capacitor has circular plates of radius 2cm. When the volume between the plates is filled with air, the capacitance is 12.0 μF. A 26V battery is connected to the 12.0 μF capacitor. a. When a 26 V battery is connected to this capacitor, how much energy is stored in the capacitor before the dielectric is inserted? [Select] b. A piece of material having a dielectric constant of 3.65 is placed between the plates, completely filling the space between them. By how much did the energy change during the insertion? [Select]

A parallel-plate capacitor has circular plates of radius 2cm. When the volume between the plates is filled with air, the capacitance is 12.0 μF. A 26V battery is connected to the 12.0 μF capacitor. a. When a 26 V battery is connected to this capacitor, how much energy is stored in the capacitor before the dielectric is inserted? [Select] b. A piece of material having a dielectric constant of 3.65 is placed between the plates, completely filling the space between them. By how much did the energy change during the insertion? [Select]

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter19: Capacitors

Section: Chapter Questions

Problem 3PA: You find that a 25-F capacitor connected to 480 VAC is defective. The storeroom has no capacitors...

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