A capacitor with plates separated by distance d is charged to a potential difference ΔVC. All wires and batteries are disconnected, then the two plates are pulled apart (with insulated handles) to a new separation of distance 2d.a. Does the capacitor charge Q change as the separation increases? If so, by what factor? If not, why not?b. Does the electric field strength E change as the separation increases? If so, by what factor? If not, why not?c. Does the potential difference ΔVC change as the separation increases? If so, by what factor? If not, why not?
A capacitor with plates separated by distance d is charged to a potential difference ΔVC. All wires and batteries are disconnected, then the two plates are pulled apart (with insulated handles) to a new separation of distance 2d.a. Does the capacitor charge Q change as the separation increases? If so, by what factor? If not, why not?b. Does the electric field strength E change as the separation increases? If so, by what factor? If not, why not?c. Does the potential difference ΔVC change as the separation increases? If so, by what factor? If not, why not?
Chapter8: Capacitance
Section: Chapter Questions
Problem 62P: When a 360-nF air capacitor is connected to a power supply, the energy stored in the capacitor is...
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A capacitor with plates separated by distance d is charged to a potential difference ΔVC. All wires and batteries are disconnected, then the two plates are pulled apart (with insulated handles) to a new separation of distance 2d.
a. Does the capacitor charge Q change as the separation increases? If so, by what factor? If not, why not?
b. Does the electric field strength E change as the separation increases? If so, by what factor? If not, why not?
c. Does the potential difference ΔVC change as the separation increases? If so, by what factor? If not, why not?
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