Lecture No.

Contents

Date

Day/Time

Lecture No. 1

Electric current, Steady current, Time-varying current, Line currents, Surface currents

24-03-2020

Tuesday/13:30

Lecture No. 2

Volume currents, Equation of continuity for dynamic/ static case, Charge conservation, Line charge density vs Line current, Surface charge density vs Surface current density, Volume charge density vs Volume current density, Divergence/flux of volume current density, Example 5.4

27-03-2020

Friday/11:30

Lecture No. 3

Lorentz force law, Work done by magnetic force, Magnetic force on line/surface/volume currents, Magnetic force on a closed current loop in uniform field

30-03-2020

Monday/13:30

Lecture No. 4

Biot-Savart law for magnetic force, Biot-Savart law for magnetic field due to line/surface/volume currents, Magnetic flux, Magnetic monopole doesn’t exist

31-03-2020

Tuesday/13:30

Lecture No. 5

Applications of Biot-Savart law: Magnetic field due to infinitely long straight current-carrying wire, Right- hand rule

03-04-2020

Friday/11:30

Lecture No.

Contents

Date

Day/Time

Lecture No. 6

...continued Magnetic field due to a circular current loop (special cases: at centre/large distance), Tiny current loops are magnetic dipoles, Magnetic field lines of a tiny current loop, Magnetic field at the axis of magnetic dipole, Magnetic dipole vs Electric dipole, Magnetic torque vs Electric torque, Magnetic energy vs Electric energy

06-04-2020

Monday/13:30

Lecture No. 7

Ampere’s law, Ampere’s law vs Gauss’s law, Differential/integral forms of AL, Applications of Ampere’s law: Magnetic field due to infinitely long straight current-carrying wire, Magnetic field due to coaxial cable

07-04-2020

Tuesday/13:30

Lecture No. 8

...continued Magnetic field due to toroid, Magnetic field due to solenoid, Magnetic field lines of a solenoid

10-04-2020

Friday/11:30

Lecture No. 9

Curl of magnetic field, Curl of magnetic field vs Divergence of electric field

13-04-2020

Monday/13:30

Lecture No. 10

Magnetic vector potential, Magnetic vector potential vs Electric scalar potential, SI unit and physical significance of MVP, Uniqueness theorem, Classification of Fields,Class I/II/III/IV fields with examples

14-04-2020

Tuesday/13:30

Lecture No. 11

Solutions of Laplace’s/Poisson’s vector equations, Biot-Savart law for MVP due to line/surface/volume currents, Biot-Savart law for MVP isn’t valid for infinite current distributions, Alternate way of finding MVP due to infinite current distributions

17-04-2020

Friday/11:30

Lecture No. 12

Multipole expansion of MVP, Magnetic monopole/ dipole/quadrupole, Area enclosed by closed current loop

20-04-2020

Monday/13:30

Lecture No. 13

MVP of a magnetic dipole, Magnetic dipole moment for line/surface/volume currents, Magnetic vector potential vs Electric scalar potential, Magnetic field of a magnetic dipole

21-04-2020

Tuesday/13:30

Lecture No. 14

Coordinate-free form for MVP/Magnetic field of a magnetic dipole, MVP/Magnetic field of a magnetic dipole in spherical coordinates

24-04-2020

Friday/11:30

Lecture No. 15

Magnetostaic boundary conditions, BC on the normal component of magnetic field, BC on the tangential components (parallel/perpendicular to the sheet current) of magnetic field

27-04-2020

Monday/13:30

Lecture No. 16

BC on the normal/tangential components of MVP, Magnetization, SI unit/direction, Free current vs Bound current, Magnetization vs Polarization

28-04-2020

Tuesday/13:30

Lecture No. 17

MVP/Magnetic field due to a magnetized object, Bound surface/volume currents, Bound surface/ volume charge density vs Bound surface/volume current density, Field due to magnetized object vs Field due to polarized object

01-05-2020

Friday/11:30