B.Sc. (Hons.) Physics, Semester III
Reproduced from the instructor's official session-wise Lecture Plan for the 2026–27 academic session.
| Lect. | Topic | Ref. | Method |
|---|---|---|---|
| 1 | Introduction to the course; Coulomb's law and the principle of superposition | T1 Ch.2 | C&T |
| 2 | Electric field and field lines; properties of field lines; field due to a point charge | T1 Ch.2 | C&T, CHART |
| 3 | Electric field due to a uniformly charged ring (derivation on the axis) | T1 Ch.2 | C&T |
| 4 | Electric flux — concept, definition and physical significance | T1 Ch.2 | C&T |
| 5 | Gauss's law: statement and proof (integral form), derived from Coulomb's law | T1 Ch.2 | C&T |
| 6 | Gauss's law in differential form, using the divergence theorem | T1 Ch.2 | C&T |
| 7 | Applications of Gauss's law: infinite line charge; charged cylindrical conductor | T1 Ch.2 | C&T, S/P |
| 8 | Applications of Gauss's law: infinite sheet of charge; two parallel charged sheets | T1 Ch.2 | C&T, S/P |
| 9 | Applications of Gauss's law: charged spherical shell; charged hollow sphere | T1 Ch.2 | C&T, S/P |
| 10 | Applications of Gauss's law: uniformly charged solid sphere; electrostatic energy | T1 Ch.2 | C&T, QUIZ |
| 11 | Line integral of the electric field; electric potential difference and potential | T1 Ch.2 | C&T |
| 12 | Conservative nature of the electrostatic field; relation between E and V | T1 Ch.2 | C&T |
| 13 | Equipotential surfaces; the electric dipole (potential and field) | T1 Ch.2 | C&T, CHART |
| 14 | Electrostatic potential energy of a system of point charges | T1 Ch.2 | C&T |
| 15 | Potential and electric field of a uniformly charged wire | T1 Ch.2 | C&T |
| 16 | Potential and electric field of a uniformly charged disc | T1 Ch.2 | C&T |
| 17 | Tutorial: problem solving on Units 1 and 2 | T1, T2 | GD, QUIZ |
| 18 | Magnetic field B and the Lorentz force; force between current elements | T1 Ch.5 | C&T |
| 19 | Magnetic flux; statement of the Biot–Savart law | T1 Ch.5 | C&T |
| 20 | Biot–Savart law: field due to a straight current-carrying conductor | T1 Ch.5 | C&T, S/P |
| 21 | Biot–Savart law: field on the axis of, and at the centre of, a circular current loop | T1 Ch.5 | C&T, S/P |
| 22 | Force on a current-carrying conductor; torque on a current loop | T1 Ch.5 | C&T, DEMO |
| 23 | Motion of a charged particle in a uniform magnetic field (cyclotron motion) | T1 Ch.5 | C&T |
| 24 | Ampere's circuital law: integral and differential forms | T1 Ch.5 | C&T |
| 25 | Application of Ampere's law: magnetic field of a solenoid | T1 Ch.5 | C&T, S/P |
| 26 | Application of Ampere's law: magnetic field of a toroid | T1 Ch.5 | C&T, S/P |
| 27 | Magnetism of matter — introduction; Gauss's law of magnetism (integral and differential forms) | T1 Ch.6 | C&T |
| 28 | Magnetisation current; distinction between bound and free currents | T1 Ch.6 | C&T |
| 29 | Relative permeability and magnetic susceptibility; classification of magnetic materials | T1 Ch.6, T2 | C&T |
| 30 | Magnetisation vector M, magnetic intensity H, and the relation B = μ0(H + M) | T1 Ch.6 | C&T |
| 31 | Boundary conditions on B and H at an interface between two media | T1 Ch.6 | C&T |
| 32 | Stored magnetic energy in matter | T1 Ch.6 | C&T |
| 33 | Magnetic circuits: analogy with electric circuits; reluctance | T2 | C&T, CHART |
| 34 | B–H curve and the hysteresis loop: retentivity, coercivity and saturation | T1 Ch.6 | C&T, CHART |
| 35 | Energy loss in hysteresis; domain theory of ferromagnetism | T1 Ch.6 | C&T, S/P |
| 36 | Tutorial: problem solving on Units 3 and 4 | T1, T2 | GD, QUIZ |
| 37 | Faraday's law of electromagnetic induction: integral and differential forms | T1 Ch.7 | C&T |
| 38 | Lenz's law; motional EMF | T1 Ch.7 | C&T, DEMO |
| 39 | Self-inductance: definition and self-inductance of a solenoid | T1 Ch.7 | C&T |
| 40 | Mutual inductance: definition, reciprocity theorem, and coaxial solenoids | T1 Ch.7 | C&T |
| 41 | Energy stored in a magnetic field | T1 Ch.7 | C&T |
| 42 | AC generator; eddy currents and transformers | T1 Ch.7 | C&T, S/P |
| 43 | Tutorial: problem solving on Unit 5 | T1, T2 | GD, QUIZ |
| 44 | Comprehensive revision of all five units; doubt-clearing session | T1, T2 | GD, QUIZ |
| Total Lectures: | 44 |
Teaching Methods: C&T:Chalk & Talk; S/P: -Slides/PPT;Videos; SEM: Seminar; DEMO; CHART; ET/GL: Expert Talk/Guest Lecture; QUIZ; GD: -Group discussion; RTCS: Real time case studies; JAR:-Journal article review; PD:-Poster design; LAB: Laboratory demonstration.
Faculty Course Portal · 2026–27