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Class 12 Physics Chapter 2 Electrostatic Potential and Capacitance
When an external force does work in taking a body from a point to another against a force like spring force or gravitational force, that work gets stored as the potential energy of the body. When the external force is removed, the body moves, gaining kinetic energy and losing an equal amount of potential energy. The sum of kinetic and potential energies is thus conserved. Forces of this kind are called conservative forces. Spring force and gravitational force are examples of conservative forces. Coulomb force between two (stationary) charges is also a conservative force. This is not surprising since both have inverse-square dependence on distance and differ mainly in the proportionality constants – the masses in the gravitational law are replaced by charges in Coulomb’s law. Thus, like the potential energy of a mass in a gravitational field, we can define the electrostatic potential energy of a charge in an electrostatic field.
Topics and Subtopics in NCERT Solutions for Class 12 Physics Chapter 2 Electrostatic Potential and Capacitance:
|Section Name||Topic Name|
|2||Electrostatic Potential and Capacitance|
|2.3||Potential due to a Point Charge|
|2.4||Potential due to an Electric Dipole|
|2.5||Potential due to a System of Charges|
|2.7||Potential Energy of a System of Charges|
|2.8||Potential Energy in an External Field|
|2.9||Electrostatics of Conductors|
|2.10||Dielectrics and Polarisation|
|2.11||Capacitors and Capacitance|
|2.12||The Parallel Plate Capacitor|
|2.13||Effect of Dielectric on Capacitance|
|2.14||Combination of Capacitors|
|2.15||Energy Stored in a Capacitor|
|2.16||Van de Graaff Generator|
NCERT Solutions for Class 12 Physics Chapter 2 Electrostatic Potential and Capacitance:
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( Electrostatic Potential and Capacitance ncert solution )
Having these notes and ncert solution can help the students to prepare and learn various class 12 physics concepts in an effective and easy way. All the diagrams, formulas and derivations are given in these notes to help the students acquaint with all the important chapters and concepts. Plus two physics notes includes a quick summary of the chapter, it saves a lot of time for the students.
Apart from the notes, students are also suggested to solve previous year questions papers and sample papers of physics to know the exam pattern and type of questions properly. Visit the links given below to get the question papers and sample papers.
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