NCERT Solutions for Class 12 Physics Chapter 2 – Electrostatic Potential and Capacitance
NCERT Solutions for Class 12 Physics Chapter 2 – Electrostatic Potential and Capacitance is a chapter that builds directly on the foundation set in Chapter 1. At Myclass24, we believe students often underestimate this chapter until they hit the board exam and find multiple questions drawn from it. Our solutions are designed to bridge the gap between textbook theory and real problem-solving, walking students through every formula derivation and numerical application in clear, exam-friendly language. Also, get subject-wise NCERT Solutions for class 12, for all chapters of Physics, check NCERT Solutions for class 12 Physics.
Find the PDF of NCERT Solutions for Class 12 Physics Chapter 2
Download the free PDF of NCERT Solutions for Class 12 Physics Chapter 2 – Electrostatic Potential and Capacitance from Myclass24. The PDF covers all NCERT exercise questions and their solutions in a neat, easy-to-read format. Students preparing for CBSE board exams or competitive exams like JEE will find this PDF useful for quick revision and concept reinforcement during study hours.
Chapter 2 – At a Glance
Detail | Information |
Chapter Name | Electrostatic Potential and Capacitance |
Chapter Number | 2 |
Class | Class 12 |
Subject | Physics |
Total Exercises | 2 (Exercise + Additional) |
Total Questions | 37 |
Important Topics | Electric Potential, Equipotential Surfaces, Capacitance, Dielectrics, Energy Stored |
CBSE Marks Weightage | Approx. 8 marks |
PDF Available | Yes – Free Download on Myclass24 |
What is Chapter 2 – Electrostatic Potential and Capacitance About?
Chapter 2 introduces the concept of Electric Potential — the work done per unit charge in bringing a test charge from infinity to a point in the electric field. Students learn how to calculate potential due to a single charge, a system of charges, and a dipole. The relationship between electric field and potential through the negative gradient is an important concept that connects both chapters seamlessly.
Equipotential Surfaces are discussed with great conceptual depth. Students understand that no work is done while moving a charge along an equipotential surface, and that field lines are always perpendicular to these surfaces. This becomes very important in solving problems involving conductors.
The second major theme of this chapter is Capacitance. A parallel plate capacitor — how it stores charge, its capacitance formula, and how different configurations (air-filled, dielectric-filled, with slabs) affect its capacitance — is covered thoroughly. The chapter also explains the effect of a dielectric medium in terms of dielectric constant and polarisation.
Energy stored in a capacitor and the energy density of an electric field are common numerical topics. The chapter also discusses combinations of capacitors in series and parallel, which frequently appear as five-mark problems in CBSE exams.
Common Mistakes Students Make in Chapter 2
A common error is confusing electric potential with electric potential energy. Potential is a property of a position in the field, while potential energy involves two interacting charges. Another frequent mistake is incorrectly handling capacitors in mixed series-parallel combinations — students often miss simplifying the circuit step by step.
Myclass24 solutions include circuit diagrams for capacitor problems and clearly label every intermediate step so students can pinpoint exactly where they tend to go wrong.