o Course homepage, Ongoing Lectures, TT-system
Tu 3:30-4:20, RAS 213 ; Fri 4-5, RLM 5.104
Lec. 44 Review
final (I, and II included at the end of this file)
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There will be 2
sessions for the review
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Review final-I (Friday May 2, 12-1pm, Pai 4.42)
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Review final-II (Monday May 5, 12-1pm,
RLM5.104)
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Review material:
o
Course summary
and 4 midterms (use them as basis to review the physics. Questions below unless
indicated otherwise are from these midterms)
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Topics outlined/discussed
in the two review sessions.
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Additional practice
problems:
§ HW problems and PQ library, textbook examples for more
exercises.
§ See also Fung’s practice list.
Review
final-I. (Friday, May2, 12-1pm)
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Unit 1: Questions are from Midterm1.
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electric force and
electric field: Q1, Q2, Q3. Q4
§ Spider-fly
analogy.
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Gauss law:
§ Flux: Q5
§ Spherical
symmetry: Q6, Q8
§ Cylindrical
symmetry: Q7
§ Planar symmetry:
Q9 (look up gauss law application for || plate capacitors)
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Potential and
potential energy
§ Energy stored
in a system of point charges: Q10
§ Work in
removing a charge from a charged system: Q11
§ Spherically
symmetric problems: Q12
§ Comparison on
the potentials for two cases: Q15
§ Comparison on
the energy stored in two cases: Q16
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Unit 2: Questions are from Midterm2
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Resistance: Ohm’s
law, current density and drift velocity. Q1-Q4.
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Kirchhoff’s law. Q5-Q8.
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RC circuit: Charging
and discharging a capacitor. Q11, Q12.
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Ampere’s law:
§ Cylindrical symmetry Q9
§ Planner symmetry:
§ Examples: Current sheet Q10, Solenoid (look up the derivation based
on Ampere’s law), Toroid
Q15, Long wire Q14.
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Biot-Savart’s law: Line segment and circular-arc segment. Q16.
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Magnetic force on
a current segment and on a moving charge. Q13. Lookup calculations of magnetic
force due to || wires.
Reminders:
****
Review final-II (Monday May 5, 12-1pm)
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Unit 3: Questions are from Midterm3.
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Application of magnetic force formula:
§ Circular motion.
Q1
§ Velocity
selector/mass-spectrometer Q2
§ Torque Q3.
§ Digression: Loop-magnetic
equivalence, review 3 RHRs ç
§ Hall effect: Q4
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Magnetic induction:
§ Motional emf: Q5 (moving bar), Q14 (rotating bar)
§ Faraday’s law:
Q6 (change the loop-shape: from circle
to square)
§ Review Kirchhoff’s law: Include elements of emf,
R, L, C, induced-emf
Q15, look up more exercises of problems with induced-emf. ç
§ Lenz law Q7, Q
16. Look up more examples from PQ library, including e.g. Levitation of a
magnet, damped pendulum.
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Inductance
§ Mutual
inductance Q8
§ Energy stored
in an inductor.Q9. Digression: uE and uB. Their
expressions? (Derivations) ç
§ Circuits: RL,
LC, LRC. Question 10-11. Digression on the conservation of energy in an LC circuit. The
relationship between UL and UC. ç
§ Transformer:
Q13
§ AC circuit:
Capacitive and inductive impedances, calculate the maximum current. Q12
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Unit 4: Questions are from Midterm4
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EM waves.
§ Maxwell’s equations of the classical EM. Read Sec. 33.1.
§ Polarization Q1
§ Energy density, intensity, pressure, Poynting vectors: Q2-4. Look for comparable exercises in your
HW.
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Geometric optics:
Snell’s law Q5
§ Lens and Mirror: Q6-8.
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Wave optics
§ Thin film Q9
§ Slits Q10-12
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SRT:
§ Lorentz transformation Q13
-- Earthquakes (also PQ p316, 317) ç
§ Doppler shift Q14 ç
§ Velocity addition Q15
§ Relativistic energy/momentum Q16
Reminders: