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Byju's Answer
Standard XII
Physics
Energy of a Capacitor
In a charged ...
Question
In a charged capacitor, the energy is stored in :
A
the negative charges
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B
the positive charges
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C
the field between the plates
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D
both 'a' and 'b'
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Solution
The correct option is
C
the field between the plates
Electrostatic energy of a condenser lies in the field in between the plates of the condenser.
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Similar questions
Q.
A capacitor of capacitance
5.00
μ
F
is charged to
24.0
V
and another capacitor of capacitance
6.0
μ
F
is charged to
12.0
V
.
(a)Find the energy stored in each capacitor.
(b) The positive plate of the first capacitor is now connected to the negative plate of the second and vice versa. Find the new charges on the capacitors.
Q.
A capacitor of capacitance 5⋅00 µF is charged to 24⋅0 V and another capacitor of capacitance 6⋅0 µF is charged to 12⋅0 V. (a) Find the energy stored in each capacitor. (b) The positive plate of the first capacitor is now connected to the negative plate of the second and vice versa. Find the new charges on the capacitors. (c) Find the loss of electrostatic energy during the process. (d) Where does this energy go?
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.
(a) Derive the expression for the energy stored in a parallel plate capacitor. Hence obtain the expression for the energy density of the electric field.
(b) A fully charged parallel plate capacitor is connected across an uncharged identical capacitor. Show that the energy stored in the combination is less than that stored initially in the single capacitor.
Q.
Each capacitor is of
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Max energy stored in capacitor between A and B [Single capacitor between A and B] in
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