27. An air-filled parallel plate capacitor has square plates of length = 12.0 cm and a plate separation d = 5.00 mm. a) What is the capacitance of this capacitor? b) A 20.0-V battery is connected across the plates of the capacitor. What is the charge on each of the plates of the capacitor? c) When the 20.0-V battery is still connected across the plates, what is the magnitude of the electric field between the plates of the capacitor. The battery is now disconnected from the fully charged capacitor, and the volume between the plates of the capacitor is filled with glass, with a dielectric index of 5.00. d) What is the potential drop across the plates of the capacitor after the dielectric has been fully inserted? e) What is the charge on each of the plates of the capacitor after the dielectric has been fully inserted (the battery is still disconnected)?

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I am not sure how to do part d and e that is bolded.

27. An air-filled parallel plate capacitor has square plates of length = 12.0 cm and a plate
separation d = 5.00 mm.
a) What is the capacitance of this capacitor?
b) A 20.0-V battery is connected across the plates of the capacitor. What is the charge on each
of the plates of the capacitor?
c) When the 20.0-V battery is still connected across the plates, what is the magnitude of the
electric field between the plates of the capacitor. The battery is now disconnected from the fully
charged capacitor, and the volume between the plates of the capacitor is filled with glass, with a
dielectric index of 5.00.
d) What is the potential drop across the plates of the capacitor after the dielectric has
been fully inserted?
e) What is the charge on each of the plates of the capacitor after the dielectric has been
fully inserted (the battery is still disconnected)?
Transcribed Image Text:27. An air-filled parallel plate capacitor has square plates of length = 12.0 cm and a plate separation d = 5.00 mm. a) What is the capacitance of this capacitor? b) A 20.0-V battery is connected across the plates of the capacitor. What is the charge on each of the plates of the capacitor? c) When the 20.0-V battery is still connected across the plates, what is the magnitude of the electric field between the plates of the capacitor. The battery is now disconnected from the fully charged capacitor, and the volume between the plates of the capacitor is filled with glass, with a dielectric index of 5.00. d) What is the potential drop across the plates of the capacitor after the dielectric has been fully inserted? e) What is the charge on each of the plates of the capacitor after the dielectric has been fully inserted (the battery is still disconnected)?
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