1. Electric Fields

2. 2006 P.1 Concept: Forces between charges are action- reaction pairs (N3L)

3. Spring 2005 P.3

4. 2006 P.2 Concept: Superposition (Vector sum) of E-fields

5. 2006 P.3 Concept: E Fields from charge distributions

6. Electric Flux & Gauss’s Law Non-uniform E Uniform E

7. 2006 P.5 Category: Gauss’s Law & Electric Flux Concept: Net flux on Gaussian surface is generated by net enclosed charge

8. 2005 P.5 Category: Gauss’s Law & Electric Flux Concept: Net flux on Gaussian surface is generated by net enclosed charge

9. 2006 P.6 Category: Gauss’s Law & Electric Flux Concept: Definition of vector dot product E  A E

10. Electric potential of charge systems

11. 2005 P.7 Category: Electric Potentials Concept: Superposition (not vectors!! Just add them up!!)

12. 2005 P.8 Category: Electric Potentials Concept: Delta V is the line integral of E

13. 2005 P.11 Category: Electric Potentials Concept: E is – dV/dx

14. Capacitance

15. 2006 P.10 Concept: Physical Capacitor w/ dielectric

16. 2005 P.12&13 Concept: Series Caps= Same charge; Parallel Caps= Same Voltage

17. Current & Circuits

18. 2006 P.11 Current & Circuits Concept: Resistance of a conductor changes w/ temp. Strategy: Make a ratio

19. 2005 P.17 Current & Circuits Concept: Current continuity and Ohm’s Law

20. 2006 P.11 Current & Circuits

21. Magnetic Fields

22. 2005 P.23 & 24 Magnetic Fields Concept: Net B is superposition (vector sum) of B from each current

23. Induction & Inductance

24. 2005 P.28 Induction & Inductance Concept: Lenz’s Law- Induced current opposes the CHANGE in flux

25. 2006 P.23 Induction & Inductance Concept: Lenz’s Law- Induced current opposes the CHANGE in flux

26. Maxwell’s EQ & EM Waves

27. 2006 P.30 Maxwell’s EQ & EM Waves Concept: Displacement current behaves like a current in a conductor and generates B-field

28. 2005 P. 32 & 33 EM Waves Concept: EM waves carry energy (@ speed c), transmit power and exert pressure

29. Optics

31. 2006 P.35 & 36 Small angle approximation: Sin(  ) ~ d/L

32. 2006 P.35 & 36 Small angle approximation: Sin(  ) ~ d/L

33. 2006 P.36 Interference Concept: Small angle approximation: Sin(  ) ~ d/L