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Chapter PHYS 102 spring 2018 Jump to Chapter 17 18 19 20 21 22 23 24 25 26 27 28 29 QQ = Quick Quizzes, CQ = Concept questions, PR = Problems 

Chapter 
Concepts 
Additional Videos 
Practice Questions/Problems 
15 sec. 15 
electric charge conservation quantization coulomb conductors insulators charging objects conduction induction grounding polarization point charge electric force Coulomb's law electric field electric field vector not part of our course but it was mentioned in class: Gibbs energy (Gibbs free energy) 
LL
Coulomb #1 prob LL Coulomb #2 prob LL Coulomb #3 prob #4 is like lab LL Coulomb #4 prob 
QQ: 1,
2, 3, 4, 5, 6 CQ p. 520: 1, 3, 7a, 7b, 9, 11 PR p. 521: 1, 2, 4, 5, 17, 19, 21, 25 I dropped 3 and added 4. It
is a better problem. Also 10 is worth studying and I
posted its solution to OAKS



16 sec. 1–3, 5–7 
work work done by E field workenergy theorem conservative force potential energy electric potential energy electric potential potential difference conductors in equilibrium equipotential surfaces electric dipole capacitance capacitors dielectrics energy in charged capacitor 
QQ: 1,
2, 3, 4, 5 CQ p. 559: 1, 3, 4, 7, 9, 12, 13 PR p. 560: 1, 3, 5, 7 few more PR p. 562: 31, 41, 49, 53 (37 was there but I dropped it and replaced it with 49) 



17 sec. 1, 3–6 
electric
current Ampere voltage conventional current Ohm's law electric power circuit ammeter voltmeter resistance ohm resistivity resistivity and temperature energy in a circuit grounding electric power kilowatthour superconductor 
QQ: 1,
3, 4, 5, 6, 7, 8, 9, 10, CQ p. 585: 1, 2, 3, 5, 6, 7, 11 PR p. 586: 1, 5, 10, 15, 24, 44 with even answers in OAKs 



18 sec. 1–3, 57 
sources
of emf terminal voltage internal resistance external resistance load resistance series resistors parallel resistance equivalent resistance Kirchhoff's rules RC circuits 
This guy needs
to buy an autofocus video cameratoo many vids are fuzzy.
Too careless and does not really care about students LL resistor problems 14 LL resistor problem videos 1 of 18 LL capacitor problems LL RC circuit problem 
QQ: 1,
2, 3, 4, 5, 6, 7, 8, 9 CQ p. 612: 1, 3, 5, 7, 9, 11, 13, 14 PR p. 613: 1, 5, 7, 8, 16, 33 with even answers in OAKs 


19 sec. 1–6, 8, 9 
magnets poles north & south poles magnetic field magnetic field lines geographic north & south dip angle magnetic force–charged particle magnetic flux weber weber/meter^{2} = tesla righthand rule (book calls it #1 but I don't teach #2) force on a wire magnetic torque parallel conductors current loops solenoids 
QQ: 1,
2, 3, 4, 5, 6 CQ p. 647: 1, 2, 3, 4, 5, 6, 9, 13, 15, 17 PR p. 648: 1, 2, 3, 4, 5, 13, 23, 35, 55, 59 with even answers in OAKs 



20 sec. 1–4 
induced
emf magnetic flux weber Faraday's law induced current Lenz's law motional emf AC generator DC generator back emf 
QQ: 1,
2, 3, 4, 5 CQ p. 680: 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 13 PR p. 681: 1, 3, 4, 5, 8, 9, 10, 23, 26, 31 with even answers in OAKs 



21 sec. 1, 7, 10–13 
AC
source alternating current instantaneous voltage/current root mean square (rms) rms voltage/current AC transformer primary coil secondary coil stepup/stepdown transformer antenna electromagnetic wave transverse wave plane wave 
speed of light,
c frequency wavelength colors of light radio waves microwaves infrared visible light (ROY G BIV) ultraviolet xrays gamma rays Doppler effect Doppler shift 
QQ: 1,
7, 8 CQ p. 717: 1, 7, 8, 10, 11, 13 PR p. 718: 43, 49, 57, 63, 66 with even answers in OAKs 


22 sec. 13, 5, 7, 
photoelectric
effect quanta photon Planck's constant reflection refraction ray approximation specular reflection diffuse reflection law of reflection index of refraction Snell's law dispersion rainbow total internal reflection critical angle 
QQ: 1,
2, 3, 4, CQ p. 743: 2, 3, 4, 5, 8, 10, 13 PR p. 744: 7, 9, 13, 15, 35 with even answers in OAKs 



23 sec. 1, 2, 5, 6 
QQ: 1,
4, 5, 6 CQ p. 774: 2, 3, 4, 5, 6, 7, 9, 15 PR p. 776: 7, 13, 31, 33 with even answers in OAKs 



24 sec. 14, 7, 8 
QQ: 1,
2, 3, 4 CQ p. 808: 1, 2, 3, 4, 6, 11, 14 PR p. 809: 1, 16, 20, 31, 39 with even answers in OAKs 



29 sec 1, 2, 3, 4 
CQ p.
928: 1, 2, 3, 5, 6, 8, 10, 11*, 12 PR p. 928: 1, 18, 22, 27, 28, 39 with even answers in OAKs 


