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A parallel plate capacitor is charged and then disconnected from the battery. By what factor does the stored energy change when the plate separation is then doubled? 
(a) It becomes four times larger
(b) It becomes two times larger
(c) It stays the same
(d) It becomes one-half as large
(e) It becomes one-fourth as large

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Amana Rangarajan
Amana RangarajanLv9
15 Nov 2020

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Related textbook solutions

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

Related questions

(i) What happens to the magnitude of the charge on each plate of a capacitor if the potential difference between the conductors is doubled?

(a) It becomes four times larger.

(b) It becomes two times larger.

(c) It is unchanged.

(d) It becomes one-half as large.

(e) It becomes one-fourth as large.

 

(ii) If the potential difference across a capacitor is doubled, what happens to the energy stored? Choose from the same possibilities as in part (i).

(i) What happens to the magnitude of the charge on each plate of a capacitor if the potential difference between the conductors is doubled?

(a) It becomes four times larger.

(b) It becomes two times larger.

(c) It is unchanged.

(d) It becomes one-half as large.

(e) It becomes one-fourth as large.

 

(ii) If the potential difference across a capacitor is doubled, what happens to the energy stored? Choose from the same possibilities as in part (i).

(i) What happens to the magnitude of the charge on each plate of acapacitor if the potential difference between the conductors isdoubled?
It becomes four times larger.
It becomes two times larger.
It is unchanged.
It becomes one-half as large.
It becomes one-fourth as large.

(ii) If the potential difference across a capacitor is doubled,what happens to the energy stored?
It becomes four times larger.
It becomes two times larger.
It is unchanged.
It becomes one-half as large.
It becomes one-fourth as large.

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