Class Meets Aug.26 − Dec.06 , in Science 277 ... Mon + Wed + Fri 8:00 till 8:50 (50 minutes)
My office: Science 159 (below ramp to 3rd Ave) my e-mail : foltzc@marshall.edu office phone : (304) 696-2519
| week of |
Monday |
Wednesday |
Friday |
| Aug.26 |
Physics II pre-test
Physics I Debrief
electric charge quantity ΣQ = ± N e
Physics1 Review on BB |
electric F=qE along Field
Coulomb : E= Σ kcQ/r²(^r)
conserved : Σ Qixiª multipoles |
ΣE contributions via trig
E-line maps
Gauss : ΣE·Aout=4πkcQenclosed |
| Sep.02 |
- - Labor Day - -
- - No Class Monday - - |
E-field induced dipole F to conductor
E τorque to insulator dipole
polarized "dielectric" material : κ |
E from line Q & sheet Q by Gauss
Q on conducting shells
Quiz 1 |
| Sep.09 |
Work : F·δx = −δU & ΔPE vs. x graphs
E·ℓ=−δV = Va−Vb (V drop)
U = qV & V= ΣkQ/r |
atomic eV & thermocouple δV vs T
Q = CV (capacitance)
Qplates ~ ± κ ε0 A/ℓ δV ; ε0 = 1/4πkC |
U= ½ Qf δVf
parallel Q's add (A's ~ C's add)
series δV's add (ℓ's ~ 1/C's add) |
| Sep.16 |
E-field Energy density ½κε0E·E
Quiz 2
ion current : I = Σ ρqv·A =ΔQ/Δt |
I = (σA/ℓ) δV (conductance S)
Power: ℘ = I δV
δV = I (ρr ℓ/A) (Resistance ~ 1/S) |
parallel I's add ; series δV's add
battery internal resistance
complicated networks |
| Sep.23 |
RTD R vs T
|cv| thermistor R vs. T |
R series C ⇒ τ =RC
pn junction diode & transistor
Quiz 3 |
magnetic Field B near magnet poles
magnetic F = qv ×B across Field
Biot-Savart : B = μo qv ×^r / 4πr² |
| Sep.30 |
Unit 1 Exam @ 7:30 |
qv=Iℓ ⇒ B from line & loop I
circular paths across B
±qv separate in metal till qE cancels |
B torque to coil = NIA×B
PE(θ) = −NIA·B ⇒ ferromagnets
dipole-dipole F ∝ 1/r4 |
| Oct.07 |
rail guns & motors ; generators
B-field Energy density ½ B·B/μ0
Quiz 4 |
Faraday : E·ℓ= −Δ(B·A) /Δt
Lenz' induced current
self-Inductance L |
L/R relaxation time
AC (RMS) & transformers
Impedance & phasors |
| Oct.14 |
hi & lo f filters
LCR & resonance
Quiz 5 |
DC inverted to AC
AC rectified to DC
Maxwell: B·ℓ= Δ(E·A)/Δt ⇒ waves |
:
Unit 2 Exam
: |
| Oct.21 |
Huygens : S ray ⊥ wavefront ~ 1/r²
Poynting : S=E×B/μ polarized
S=S0 cos²φ filter & photon E =p·v |
v²=1/κεμ ; v=c/n ; λ=v/f
Snell : na sinθa = nb sinθb
deflection thru prism by Snell |
angular dispersion n vs λ
prefered reflection E
reflection & refraction images
Last Withdraw ! |
| Oct.28 |
spherical mirrror: 1/f ≈ 2/R
mirror & lens by Huygens
Quiz 6 |
lens-maker : 1/f ≈ (n −1)(1/R −1/R)
focus : 1/f = 1/dim + 1/dob
lateral M=him/hob |
virtual images
virtual objects
eyeglasses & angular magnification |
| Nov.04 |
telescopes & f-ratio
microscope
Topic 7 Quiz |
reflection interference
2-slit interference (d sinθ)
single-slit interference |
λ in material ⇒ ℓoptic=nL
hard reflection E flip + ½λ
interferometers |
| Nov.11 |
resolution limit
Heisenberg: δp·δx ≥ h
Topic 8 Quiz |
:
Unit 3 Exam
: |
DeBroglie : e− wave λ=h/p (TEM)
e− wave levels in flat PE well
Schrodinger : ½kx² well has λ(x) |
| Nov.18 |
Bohr : e− levels in spike (atom) well
Moseley : singly-screened 1s levels
Rydberg : valence e− feel Z≈1
|
X-ray photon ⇒ recoil momentum
molecule rotation levels
Quiz 9 |
Einstein : binding ΔE = Δm c²
Strong Nuc.F in nuclei (+UE, −UB)
α , β− , γ decays ; β+ or e− capture |
| Nov.25 |
Thanksgiving Vacation |
all week long
| even after Thanks given |
| Dec.02 |
activity ; decay likelihood & half-life
radioactive dating
decay chains |
fission Power & waste
radiation Energy ; rads & rems dose
Quiz 10 |
fusion threshold E (stars)
fission ; TMI, Chernoble, Fukushima
E&M Concept post-test
Final @ 3pm Sat => |
