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Class 12
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Physics
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Electrostatic Potential and Capacitance
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Energy Stored in Capacitor
Energy Stored in Capacitor
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Energy Stored in Capacitor - Mathematically
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Energy stored in the capacitor
10 mins
Energy density of the parallel plate capacitor
4 mins
Quick Summary With Stories
Energy stored in the capacitor
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Problem-based on Energy of Capacitor - I
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Energy Stored in Parallel Plate Capacitor
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Problem based on Energy stored in Capacitor
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Important Questions
Derive an expression for energy stored in a capacitor. In which form energy is stored?
Medium
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The energy required to charge a parallel plate condenser of plate separation d and plate area of cross-section A such that the uniform electric field between the plates is E, is :
Hard
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Energy stored in a capacitor and dissipated during charging a capacitor bear a ratio:
Medium
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A capacitor of capacitance
1
0
μ
F
is charged to
1
0
V
. The energy stored in it is
Medium
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The amount of work done in increasing the voltage across the plates of capacitor from 5V to 10V is 'W'. The work done in increasing it from 10V to 15V will be
Medium
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If the charge on a capacitor is increased by
2
coulomb, the energy stored in it increases by 21%. The original charge on the capacitor is :
Medium
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A 12pF capacitor is connected to a 50V battery. How much electrostatic energy is stored in the capacitor?
Medium
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A 900 pF capacitor is charged by 100 V battery as shown in figure. The capacitor is disconnected from the battery and connected to another 900 pF capacitor. What is the electrostatic energy stored by the system?
Hard
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A parallel plate capacitor of capacitance C is charged to a potential V. It is then connected to another uncharged capacitor having the same capacitance. Find out the ratio of the energy stored in the combined system to that stored initially in the single capacitor.
Medium
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A parallel plate capacitor has a uniform electric field
E
in the space between the plates. If the distance between the plates is
d
and area of each plate is
A
, the energy stored in the capacitor is :
Hard
NEET
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