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25. A parallel plate capacitor of capacitance C, is charged to a voltage Vand then the battery is disconnected. A dielectric covering one-third area of each plate is now inserted as shown in the figure. If charges on the capacitor plates get redistributed such that the portions covered with dielectric and not covered with the dielectric share equal amounts of charge, which of the following statements is/are true? (a) Dielectric constant of the dielectric is 2.0. (b) Charge appearing due to polarization on the surface of the dielectric is 0.25C,V. (c) Force of electrostatic interaction between portions of the plates covered with dielectric is equal to that between uncovered portions. (d) Force of electrostatic interaction between the plates after insertion of the dielectric becomes 9/8 times of its value before insertion of the dielectric.

25. A parallel plate capacitor of capacitance C, is charged to a voltage Vand then the battery is disconnected. A dielectric covering one-third area of each plate is now inserted as shown in the figure. If charges on the capacitor plates get redistributed such that the portions covered with dielectric and not covered with the dielectric share equal amounts of charge, which of the following statements is/are true? (a) Dielectric constant of the dielectric is 2.0. (b) Charge appearing due to polarization on the surface of the dielectric is 0.25C,V. (c) Force of electrostatic interaction between portions of the plates covered with dielectric is equal to that between uncovered portions. (d) Force of electrostatic interaction between the plates after insertion of the dielectric becomes 9/8 times of its value before insertion of the dielectric.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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25. A parallel plate capacitor of capacitance Co is charged to a voltage Vand then the battery is disconnected. A dielectric covering one-third area of each plate is now inserted as shown in the figure. If charges on the capacitor plates get redistributed such that the portions covered with dielectric and not covered with the dielectric share equal amounts of charge, which of the following statements is/are true? (a) Dielectric constant of the dielectric is 2.0. (b) Charge appearing due to polarization on the surface of the dielectric is 0.25C,V. (c) Force of electrostatic interaction between portions of the plates covered with dielectric is equal to that between uncovered portions. (d) Force of electrostatic interaction between the plates after insertion of the dielectric becomes 9/8 times of its value before insertion of the dielectric.
Transcribed Image Text:25. A parallel plate capacitor of capacitance Co is charged to a voltage Vand then the battery is disconnected. A dielectric covering one-third area of each plate is now inserted as shown in the figure. If charges on the capacitor plates get redistributed such that the portions covered with dielectric and not covered with the dielectric share equal amounts of charge, which of the following statements is/are true? (a) Dielectric constant of the dielectric is 2.0. (b) Charge appearing due to polarization on the surface of the dielectric is 0.25C,V. (c) Force of electrostatic interaction between portions of the plates covered with dielectric is equal to that between uncovered portions. (d) Force of electrostatic interaction between the plates after insertion of the dielectric becomes 9/8 times of its value before insertion of the dielectric.
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