General physics: electromagnetism
PHYS-201(b)
General Physics III: Electromagnetism
You can find the essential information regarding the course in the syllabus below
- EXAM Seat assignment (File)
- Map Zone A (File)
- Map Zone B (File)
- Map Zone E (File)
- Map Zone D (File)
- Map Zone C (File)
- Course syllabus (File)
- Choose a room for the exercise session (Choice)
- MIT open courseware mathematics supplement for E&M (File)
- Purcell textbook (File)
- Griffiths textbook (File)
Week 1. September 7-8
Lecture 1. Course Introduction and Review of Vector Calculus (Griffiths: Chapter 1)
Lecture 2. Electric charge and Coulomb's law (Purcell: 1.1-1.3)
- Lecture 1. Reading (Griffiths Ch.1) (File)
- Lecture 1. Recording (URL)
- Lecture 1. Class Notes (File)
- Lecture 1. Additional material: Notes on Coordinate systems from MIT open learning library (File)
- Lecture 1. Additional material: Notes on vector analysis from MIT open learning library (File)
- Lecture 2. Reading (Purcell: 1.1-1.3) (File)
- Lecture2. Class notes (File)
- Lecture 2. Recording (URL)
- Exercise sheet 01 (File)
- Exercise sheet 1. Solutions (File)
Week 2. September 14-15
Lecture 4: Gauss’s law revisited. The electric potential. (Purcell 2.1-2.6, 2.8-2.10. Griffiths 2.3.1-2.3.2, 2.4)
- Lecture 3. Recording (URL)
- Lecture 3. Reading (Purcell 1.6-1.13) (File)
- Lecture 3. Reading (Griffiths: 2.1.3-2.2.3) (File)
- Lecture 3. Class Notes (File)
- Lecture 3. Additional material: On fields and their representation (File)
- Lecture 4. Recording (URL)
- Lecture 4. Reading (Purcell 2.1-2.6) (File)
- Lecture 4. Reading (Purcell 2.8-2.10) (File)
- Lecture 4. Reading (Griffiths 2.3.1-2.3.2) (File)
- Lecture 4. Reading (Griffiths 2.4) (File)
- Lecture 4. Class Notes (File)
- Lecture 4. Visualization_of_gradients (File)
- Lecture 4. Additional material: Derivation of Gauss's law. Intuition on solid angles. (File)
- Exercise sheet 2 (File)
- Solution Sheet 02 (File)
Week 3. September 22
September 21: No class
Lecture 5. Poisson and Laplace's equations. The curl of E. (Purcell 2.11-2.17, Griffiths 2.3.3, 3.1.1-3.1.5, Griffiths 1.3.5)
- Lecture 5. Reading (Purcell 2.11-2.17) (File)
- Lecture 5. Reading (Griffiths 2.3.3, 3.1.1-3.1.5, Griffiths 1.3.5) (File)
- Lecture 5. Recording (URL)
- Lecture 5. Class Notes (File)
- Lecture 5. Additional material: 2D_Laplace_equation (File)
- Exercise Sheet 03 (File)
- Solution Sheet 03 (File)
Week 4. September 28-29
Lecture 6: Conductors. ( Purcell 3.1-3.4 Griffiths 2.5.1-2.5.3, 3.1.6-3.2.4)
Lecture 7: Capacitance and capacitors (Purcell 3.5-3.8. Griffiths 2.5.4)
- Lecture 6 and Lecture 7. Reading Purcell and Griffiths (File)
- Lecture 6. Class notes (File)
- Lecture 6. Recording (URL)
- Lecture 7. Class Notes (File)
- Lecture 7. Recording (URL)
- Exercise sheet 04 (File)
- Solution Sheet 04 (File)
Week 5: October 5-6
Lecture 8. Multipole expansion. Dipole moments. Purcell 10.2-10.4. Griffiths 3.4. Griffiths Figure 2.35
Lecture 9. Electric fields in matter I. Purcell 10.1,10.5-10.7.2. Griffiths 4.1-4.3
- Lecture 8. Reading (Purcell 10.2-10.4. Griffiths 3.4. and Figure 2.35) (File)
- Lecture 8. Class Notes (File)
- Lecture 8. Recording (URL)
- Lecture 8. Additional material: Visualizing the electric fields and potential of point charge distributions (URL)
- Lecture 9. Recording (URL)
- Lecture 9. Reading (Purcell 10.1,10.5-10.7.2. Griffiths 4.1-4.3) (File)
- Lecture 9. Class Notes (File)
- Exercise sheet 05 (File)
- Solution sheet 05 (File)
Week 6: October 12-13
Lecture 10: Electric Fields in matter II. Griffiths 4.3-4.5. Purcell 10.9-10.11
Quiz #1
- Lecture 10. Reading (Griffiths 4.3-4.4 and Purcell 10.9-10.11) (File)
- Lecture10. Class Notes (File)
- Lecture 10. Recording (URL)
- Exercise sheet 06 (File)
- Solution sheet 06 (File)
- Quiz #1 (File)
- Quiz #1. Solutions (File)
Break
Week 7: October 26-27
Lecture 11: Current, continuity equation, Ohm's law. Purcell 4.1-4.3. Griffiths 5.1.3
- Lecture 11. Reading (Purcell 4.1-4.3, Griffiths 5.1.3) (File)
- Lecture 11. Class Notes (File)
- Lecture 11. Recording (URL)
- Lecture 12. Reading (Purcell 4.7, 4.9-4.11) (File)
- Lecture 12. Class Notes (File)
- Lecture 12. Ipad notes (File)
- Lecture 12. Recording (URL)
- Exercise sheet 07 (File)
- Solution sheet 07 (File)
Week 8: November 2-3
Lecture 13: Magnetostatics. Lorentz force law. Griffiths 5.1.1, 5.1.2, 5.1.3 Purcell 5.1, 5.2
Lecture 14. Magnetostatics. Biot-Savart and Ampere's laws. Griffiths 5.2 5.3 .Purcell 6.1,6.2.
- Lecture 13. Reading (Griffiths 5.1.1, 5.1.2, 5.1.3 Purcell 5.1, 5.2) (File)
- Lecture13. Class Notes (File)
- Lecture 13. Ipad notes (File)
- Lecture 13. Recording (URL)
- Lecture 14. Reading (Griffiths 5.2 5.3 .Purcell 6.1,6.2) (File)
- Lecture14. Class Notes (File)
- Exercise sheet 08 (File)
- Solution sheet 08 (File)
- Lecture 14. Ipad notes (File)
- Lecture14. Recording (URL)
Week 9: November 9-10
Lecture 15: Magnetic vector potential. Purcell 6.3. 11.3 Griffiths 5.4
Lecture 16: Magnetic fields in matter I. Mechanisms of magnetization. Bound currents. Purcell 11.1,11.3-11.6, 11.8. Griffiths 6.1,6.2
- Lecture 15. Reading (Purcell 6.3, 11.3 Griffiths 5.4) (File)
- Lecture 15. Class Notes (File)
- Lecture 15. Recording (URL)
- Lecture15.Ipad notes (File)
- Lecture 16. Reading (Purcell 11.1, 11.4-11.6, 11.8 Griffiths 6.1, 6.2) (File)
- Lecture 16. Recording (URL)
- Lecture 16. Class Notes (File)
- Lecture 16.Ipad notes (File)
- Exercise sheet 09 (File)
- Solution Sheet 9 (File)
Week 10: November 16-17
Lecture 17: Magnetic fields in matter II. Ampere’s law in magnetized materials. Purcell 11.9-11.11 Griffiths 6.3, 6.4
Lecture 18: Electromagnetic Induction. Faraday's law. Purcell 7.3,7.5. Griffiths 7.1.3, 7.2.1, 7.2.2
- Lecture 17. Reading (Purcell 11.9-11.11 Griffiths 6.3, 6.4) (File)
- Lecture 17. Class Notes (File)
- Lecture 17_Ipad notes.pdf (File)
- Lecture 17. Recording (URL)
- Lecture 18. Reading (Purcell 7.3, 7.5 Griffiths 7.1.3, 7.2.1, 7.2.2) (File)
- Lecture 18. Class Notes (File)
- Lecture 18 Ipad notes (File)
- Exercise sheet 10 (File)
- Solution sheet 10 (File)
Week 11: November 23-24
Lecture 20: Circuits with AC sources. Purcell Chapter 8
- Exercise sheet11 (File)
- Solution sheet 11 (File)
- Lecture 19. Reading (Purcell 7.6-7.10, Griffiths 7.2.3, 7.2.4) (File)
- Lecture 19 ipad notes (File)
- Lecture 19.Class Notes (File)
- Lecture 19. Recording (URL)
- Lecture 20. Reading (Purcell chapter 8) (File)
- Lecture 20 ipad notes (File)
- Lecture 20. Class Notes (File)
- Lecture 20. Recording (URL)
Week 12: December 1- December 2
Lecture 21: Maxwell’s equations. Purcell 9.1, 9.2, 9.3. Griffiths 7.3.1-7.3.3, 7.3.5, 7.3.6, 9.2.1.
Lecture 22: Electromagnetic waves. Purcell 9.4-9.5. Griffiths 9.2.2
- Lecture 21. Reading (Purcell 9.1-9.3, Griffiths 7.3.1-7.3.3, 7.3.5-7.3.6, 9.2.1, 9.1.4) (File)
- Lecture 21. Class Notes (File)
- Lecture 21 ipad notes (File)
- Lecture 22. Reading (Purcell 9.4-9.5, Griffiths 9.2.2) (File)
- Lecture 22. Class Notes (File)
- Exercise sheet 12 (File)
- Solution sheet 12 (File)
- Lecture22. Ipad notes (File)
- Lecture 21. Recording (URL)
- Lecture 22. Recording (URL)
Week 13: December 7-8
Review of exam problems from last year
- Quiz 2 (File)
- Solutions to Quiz 2 (File)
- Exercise sheet 13 (File)
- Solution sheet 13 (File)
- Highlight problems from exercise sheets (File)
Week 14: December 14-15
Lecture 23: Energy and momentum carried by electromagnetic waves. Griffiths 8.1.2, 9.2.3. Purcell 9.6
Lecture 24: Special relativity. Griffiths Chapter 12. Purcell 9.7 or Review #2
- Lecture 23. Reading (Purcell 9.6, Griffiths 8.1.2, 9.2.3) (File)
- Lecture23. Class Notes (File)
- Exercise sheet 14 (File)
- Solution sheet 14 (File)
- Review (File)
- Lecture 23 ipad notes (File)
EXAM INFORMATION
- Seat assignment Phys201b 2026 (File)
- Electromagnetism exam information (File)
- Electromagnetism exam rules and logistics (File)
- Map Zone E (File)
- Map Zone A (File)
- Map Zone C (File)
- Map Zone B (File)
- Map Zone D (File)