A parallel-plate capacitor with area 0.450.45 m2m2 and plate separation of 2.42.4 mmmm is connected to a 6.0V6.0V battery. (a) Determine the capacitance. (b) How much charge is stored on the plates? (c) What is the electric field between the plates? (d) Find the magnitude of the charge density on each plate.
(a)
FF(b)
CC(c)
N/CN/C(d)
C/m2C/m2Without disconnecting the battery, the plates are moved farther apart. Qualitatively, what happens to each of the previous answers? (You get only one chance for multiple choice)
A.
This means d is increasing and the capacitance is decreasing. It also means that the total charge Q on the plate is also decreasing and the electric field E is increasing.
B.
This means d is increasing and the capacitance is decreasing. It also means that the total charge Q on the plate is also increasing and the electric field E is also increasing.
C.
This means d is increasing and the capacitance is decreasing. It also means that the total charge Q on the plate is also decreasing and the electric field E is also decreasing.
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