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Decreasing the separation between isolated oppositely charged parallel plates will 

A. increase the electric potential between the plates
B. increase the energy stored on the plates
C. decrease the charge on the plates
D. increase the charge on the plates
E. decrease the electric potential between the plates

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

A parallel-plate air-filled capacitor having area 38 cm2 and platespacing 5.0 mm is charged to a potential difference of 300 V. Findthe following values.

(a) the capacitance

(b) the magnitude of the charge on each plate

(c) the stored energy

(d) the electric field between the plates

(e) the energy density between the plates

The plates of a parallel-plate capacitor have constant charges of+Q and -Q. Do the following quantities increase, decrease, orremain the same as a dielectric is inserted between theplates?

the electric field between the plates

the potential difference between the plates

the capacitance

the energy stored in the capacitor

what is e, the magnitude of the electric field in the region between the plates?

uploaded image

Two parallel plates, each having area A = 2180 cm2 are connected to the terminals of a battery of voltage Vb = 6 V as shown. The plates are separated by a distance d = 0.59 cm.

a.The battery is now disconnected from the plates and the separation of the plates is doubled ( = 1.18 cm). What is the energy stored in this new capacitor?

b.What is E, the magnitude of the electric field in the region between the plates?

c. Compare V, the magnitude of the new potential difference across the plates, to Vb, the voltage of the battery.

V < Vb
V = Vb
V > Vb

uploaded image

two uncharged parallel plates are now connected to the initial pair of plates as shown. How will the electric field, E, and potential difference across the plates, V, change, if at all?

d. Both E and V will remain the same
E will decrease and V will increase
E will increase and V will decrease
Both E and V will decrease
Both E and V will increase

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