Physics II: Electricity and Magnetism
Video Lectures
Displaying all 36 video lectures.
I. Electrostatics & Electric Fields | |
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Lecture 1![]() Play Video |
Coulomb's Law & Electric Force This lecture introduces the topic of electricity and magnetism with the question: "What holds our world together?" Topics discussed include: Electric Charges (Historical perspective), Polarization, Electric Force, and Coulomb's Law. |
Lecture 2![]() Play Video |
Electric Field Topics discussed include: Electric Field, Field Lines, Superposition, Inductive Charging, Dipoles, Induced Dipoles. |
Lecture 3![]() Play Video |
Gauss's Law & Electric Flux Electric Flux, Gauss's Law, Examples |
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Electric Energy Electrostatic Potential, Electric Energy, eV, Conservative Field, Equipotential Surfaces |
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Conductor & Electrostatic Shielding Topics discussed include: E = -grad V, More on Equipotential Surfaces, Conductors, and Electrostatic Shielding (Faraday Cage) |
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High-Voltage Breakdown Topics discussed in this lecture include: High-Voltage Breakdown, Lightning, Sparks. |
II. Electric Circuits | |
Lecture 7![]() Play Video |
Capacitance & Field Energy CapacitanceField Energy |
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Polarization & Dielectrics PolarizationDielectricsThe Van de GraaffMore on Capacitors |
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Ohm's Law, Resistivity & Currents CurrentsResistivityOhm's Law |
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Kirchhoff's Rule & Power BatteriesEMFEnergy ConservationPowerKirchhoff's RulesCircuitsKelvin Water Dropper |
III. Magnetism | |
Lecture 11![]() Play Video |
Magnetic Field & Lorentz Force Magnetic field, Lorentz Force, Torques, Electric Motors (DC), Oscilloscope |
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Review Exam 1 Review Exam 1 (Secret Top!) |
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Moving Charges in B-Fields Moving Charges in B-fields, Cyclotron, Synchrotron, Mass Spectrometer, Cloud Chamber |
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Biot-Savart Law Biot-Savart Law, Gauss' Law for Magnetic Fields, Revisit the "Leyden Jar", High-Voltage Power Lines |
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Ampere's Law & Solenoids Ampere's Law, Solenoids, Revisit the Kelvin Water Dropper, Midterm Evaluation |
IV. Electromagnetic Induction | |
Lecture 16![]() Play Video |
Faraday's Law & Lenz Law Electromagnetic Induction, Faraday's Law, Lenz Law, Complete Breakdown of Intuition, Non-Conservative Fields |
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Motional Electromotive Force Motional EMF, Dynamos, Eddy Currents, Magnetic Braking |
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Displacement Current Displacement Current (Difficult Concept), Synchronous Motors, Induction Motors, Secret Top, How does it work? |
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Superconductivity and Levitating Bullet Trains How do Magicians levitate women? (with demo), Electric Shock Treatment (no demo), Electrocardiogram (with demo), Pacemakers, Superconductivity (with demo), Levitating Bullet Trains, Aurora Borealis |
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Inductance & Magnetic Field Energy Inductance, RL Circuits, Magnetic Field Energy |
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Dia-, Para- & Ferromagnetism Magnetic Materials, Dia-, Para-, and Ferromagnetism, Prize Ceremony of Motor Contest |
Lecture 22![]() Play Video |
Maxwell's Equations Hysteresis, Electromagnets, Bohr Magneton, Maxwell's Equations, 600 daffodils |
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Review Exam 2 Review Exam 2 |
V. Electromagnetic Waves | |
Lecture 24![]() Play Video |
Transformers & RC Circuits Transformers, Car Coils, RC Circuits |
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Resonance & Driven LRC Circuit Driven LRC Circuits, Resonance, Metal Detectors (Beach/Airport) |
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Traveling Waves & Standing Waves Traveling Waves, Standing Waves, Musical Instruments |
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Electromagnetic Waves and Radar and Lasers Resonance, Destructive Resonance, Electromagnetic Waves, Speed of Light, Radio - TV, Distance Determinations using Radar and Lasers. Information about the Tacoma Narrows Bridge Collapse: http://www.pbs.org/wgbh/nova/bridge/tacoma3.html and http://www.ketchum.org/bridgecollapse.html |
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Polarization & Oscillating Charges Index of Refraction, Poynting Vector, Oscillating Charges, Radiation Pressure, Comet Tails, Polarization (Linear, Elliptical, and Circular) |
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Color and Reflection Snell's Law, Refraction, Total Reflection, Dispersion, Prisms, Huygens's Principle, The Illusion of Color, The Weird Benham Top, Land's Famous Demo |
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Polarizers Polarizers, Malus's Law, Brewster Angle, Polarization by Reflection and Scattering, Why is the sky blue? Why are sunsets red? |
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Rainbows Fog Bows, Supernumerary Bows, Polarization of the Bows, Halos around the Sun and the Moon, Mock Suns |
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Review Exam 3 Review Exam 3 |
VI. Applications | |
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Interferometers Double-Slit Interference, Interferometers |
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Telescopes Gratings, Resolving Power, Single-Slit Diffraction, Angular Resolution, Human Eye, Telescopes |
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Doppler Effect & The Big Bang Doppler Effect, The Big Bang, Cosmology |
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My Early Astronomy Research Years at MIT High-energy Astrophysics, Astronomy, Balloons |