3. A capacitor with no dielectric material between the plates has a potential difference of 19V across it. The plates are separated by 3.7 mm. If the plates each hold charges of ±4.27nC: a. What is the capacitance? b. What is the area of each plate? c. What is the electric field between the plates? d. What is the energy stored in the capacitor? The power supply is disconnected leaving the +4.27nC trapped on each plate. The plates are then pulled apart to a separation of 6.0 mm: e. What is the new capacitance? f. What is the new potential difference between the plates?

3. A capacitor with no dielectric material between the plates has a potential difference of 19V across it. The plates are separated by 3.7 mm. If the plates each hold charges of ±4.27nC: a. What is the capacitance? b. What is the area of each plate? c. What is the electric field between the plates? d. What is the energy stored in the capacitor? The power supply is disconnected leaving the +4.27nC trapped on each plate. The plates are then pulled apart to a separation of 6.0 mm: e. What is the new capacitance? f. What is the new potential difference between the plates?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter16: Electrical Energy And Capacitance

Section: Chapter Questions

Problem 35P: a parallel-plate capacitor with area 0.200 m2 and plate separation of 3.00 mm is connected to a...

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Question

3. A capacitor with no dielectric material between the plates has a potential difference of 19V across it.
The plates are separated by 3.7 mm. If the plates each hold charges of ±4.27nC:
a. What is the capacitance?
b. What is the area of each plate?
c. What is the electric field between the plates?
d. What is the energy stored in the capacitor?
The power supply is disconnected leaving the +4.27nC trapped on each plate. The plates are then pulled
apart to a separation of 6.0 mm:
e. What is the new capacitance?
f. What is the new potential difference between the plates?

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