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Byju's Answer
Standard XII
Physics
Energy of a Capacitor
A capacitor s...
Question
A capacitor stores energy within a dielectric between the conducting plates in the form of
.
A
a magnetic field
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B
positive voltage
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C
an electric field
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Solution
The correct option is
C
an electric field
Capacitors are energy storing elements, which store energy in the form of an electric field.
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Similar questions
Q.
The plates of a parallel plate capacitor with no dielectric are connected to a voltage source. Now a dielectric of dielectric constant
K
is inserted to fill the whole space between the plates with voltage source remaining connected to the capacitor.
Choose the correct statements.
Q.
A dielectric slab is inserted between the plates of an isolated charged capacitor. Which of the following quantities will remain the same?
(a) The electric field in the capacitor
(b) The charge on the capacitor
(c) The potential difference between the plates
(d) The stored energy in the capacitor
Q.
Statement
1
:
A parallel plate capacitor is charged by a battery of voltage
V
. The battery is then disconnected. If the space between the plates is filled with a dielectric, the energy stored in the capacitor will decrease.
Statement
2
:
The capacitance of a capacitor increases due to the introduction of a dielectric between the plates.
Q.
A parallel plate capacitor is charged by a battery and the battery remains connected, a dielectric slab is inserted in the space between the plates. Explain what changes if any, occur in the values of the
(i) potential difference between the plates
(ii) electric field between the plates
(ii) energy stored in the capacitor
Q.
A parallel plate capacitor is charged by a battery, which is then disconnected. A dielectric slab is then inserted in the space between the plates. Explain what changes, if any, occur in the values of
(i) capacitance.
(ii) potential difference between the plates.
(iii) electric field between the plates.
(iv) the energy stored in the capacitor.
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