Suppose a battery is connected to a parallel-plate capacitor with (infinitely) large plates and capacitance C, and the battery charges it up to a potential difference AV. Then the battery is disconnected and the spacing between the capacitor plates is doubled. The spacing is still smaller than the diameter of the plates.

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter21: Resistive-capacitive Series Circuits
Section: Chapter Questions
Problem 6RQ: A 15-F AC capacitor is connected in series with a 50 resistor. The capacitor has a voltage rating...
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Suppose a battery is connected to a parallel-plate
capacitor with (infinitely) large plates and
capacitance C, and the battery charges it up to a
potential difference AV. Then the battery is
disconnected and the spacing between the capacitor
plates is doubled. The spacing is still smaller than the
diameter of the plates.
What is the change in each of the following?
the volume
the electric field between the
plates .
the electric potential difference
between the plates..
the energy stored .
the capacitance .
Answer each question with "increases", "decreases"
or "stays the same".
Transcribed Image Text:Suppose a battery is connected to a parallel-plate capacitor with (infinitely) large plates and capacitance C, and the battery charges it up to a potential difference AV. Then the battery is disconnected and the spacing between the capacitor plates is doubled. The spacing is still smaller than the diameter of the plates. What is the change in each of the following? the volume the electric field between the plates . the electric potential difference between the plates.. the energy stored . the capacitance . Answer each question with "increases", "decreases" or "stays the same".
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