Problem 6: A parallel-plate capacitor of capacitance C and distance d between plates is fully charged from abattery of voltage V. While remaining connected to the battery, the gap between the capacitor's plates is slowlyreduced to half the initial separation (d/2).Part (a) The capacitance of the capacitor is now:MultipleChoice :1) C2) C/43) C/24) 205) 4CPart (b) The charge stored on the capacitor is:MultipleChoice :1) CV/22) 4CV3) 2CV4) CV5) CV/4Part (c) The voltage across the capacitor is now:MultipleChoice :1) 2V2) 4V3) V4) V/25) V/4Part (d) How does the energy stored in the capacitor change after this process?MultipleChoice :1) Stays the same.2) Increased by a factor of four.3) Increased by a factor of two.4) Decreased by a factor of two.5) Decreased by a factor of four.Part (e) How does the electric field inside the capacitor change after this process?MultipleChoice :1) Decreased by a factor of two.2) Increased by a factor of four.3) Increased by a factor of two.4) Stays the same.5) Decreased by a factor of four.

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Problem 6: A parallel-plate capacitor of capacitance C and distance d between plates is fully charged from a battery of voltage V. While remaining connected to the battery, the gap between the capacitor's plates is slowly reduced to half the initial separation (d/2). Part (a) The capacitance of the capacitor is now: MultipleChoice : 1) C 2) C/4 3) C/2 4) 20 5) 4C Part (b) The charge stored on the capacitor is: MultipleChoice : 1) CV/2 2) 4CV 3) 2CV 4) CV 5) CV/4 Part (c) The voltage across the capacitor is now: MultipleChoice : 1) 2V 2) 4V 3) V 4) V/2 5) V/4

Problem 6: A parallel-plate capacitor of capacitance C and distance d between plates is fully charged from a battery of voltage V. While remaining connected to the battery, the gap between the capacitor's plates is slowly reduced to half the initial separation (d/2). Part (a) The capacitance of the capacitor is now: MultipleChoice : 1) C 2) C/4 3) C/2 4) 20 5) 4C Part (b) The charge stored on the capacitor is: MultipleChoice : 1) CV/2 2) 4CV 3) 2CV 4) CV 5) CV/4 Part (c) The voltage across the capacitor is now: MultipleChoice : 1) 2V 2) 4V 3) V 4) V/2 5) V/4

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Dielectric Constant Of Water

Water constitutes about 70% of earth. Some important distinguishing properties of water are high molar concentration, small dissociation constant and high dielectric constant.

Electrostatic Potential and Capacitance

An electrostatic force is a force caused by stationary electric charges /fields. The electrostatic force is caused by the transfer of electrons in conducting materials. Coulomb’s law determines the amount of force between two stationary, charged particles. The electric force is the force which acts between two stationary charges. It is also called Coulomb force.

Question

Problem 6: A parallel-plate capacitor of capacitance C and distance d between plates is fully charged from a
battery of voltage V. While remaining connected to the battery, the gap between the capacitor's plates is slowly
reduced to half the initial separation (d/2).
Part (a) The capacitance of the capacitor is now:
MultipleChoice :
1) C
2) C/4
3) C/2
4) 20
5) 4C
Part (b) The charge stored on the capacitor is:
MultipleChoice :
1) CV/2
2) 4CV
3) 2CV
4) CV
5) CV/4
Part (c) The voltage across the capacitor is now:
MultipleChoice :
1) 2V
2) 4V
3) V
4) V/2
5) V/4
Part (d) How does the energy stored in the capacitor change after this process?
MultipleChoice :
1) Stays the same.
2) Increased by a factor of four.
3) Increased by a factor of two.
4) Decreased by a factor of two.
5) Decreased by a factor of four.
Part (e) How does the electric field inside the capacitor change after this process?
MultipleChoice :
1) Decreased by a factor of two.
2) Increased by a factor of four.
3) Increased by a factor of two.
4) Stays the same.
5) Decreased by a factor of four.

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