Physics II: Electricity and Magnetism

Video Lectures

Displaying all 36 video lectures.
I. Electrostatics & Electric Fields
Lecture 1
Coulomb's Law & Electric Force
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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
Electric Field
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Electric Field
Topics discussed include: Electric Field, Field Lines, Superposition, Inductive Charging, Dipoles, Induced Dipoles.
Lecture 3
Gauss's Law & Electric Flux
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Gauss's Law & Electric Flux
Electric Flux, Gauss's Law, Examples
Lecture 4
Electric Energy
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Electric Energy
Electrostatic Potential, Electric Energy, eV, Conservative Field, Equipotential Surfaces
Lecture 5
Conductor & Electrostatic Shielding
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Conductor & Electrostatic Shielding
Topics discussed include: E = -grad V, More on Equipotential Surfaces, Conductors, and Electrostatic Shielding (Faraday Cage)
Lecture 6
High-Voltage Breakdown
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High-Voltage Breakdown
Topics discussed in this lecture include: High-Voltage Breakdown, Lightning, Sparks.
II. Electric Circuits
Lecture 7
Capacitance & Field Energy
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Capacitance & Field Energy
CapacitanceField Energy
Lecture 8
Polarization & Dielectrics
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Polarization & Dielectrics
PolarizationDielectricsThe Van de GraaffMore on Capacitors
Lecture 9
Ohm's Law, Resistivity & Currents
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Ohm's Law, Resistivity & Currents
CurrentsResistivityOhm's Law
Lecture 10
Kirchhoff's Rule & Power
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Kirchhoff's Rule & Power
BatteriesEMFEnergy ConservationPowerKirchhoff's RulesCircuitsKelvin Water Dropper
III. Magnetism
Lecture 11
Magnetic Field & Lorentz Force
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Magnetic Field & Lorentz Force
Magnetic field, Lorentz Force, Torques, Electric Motors (DC), Oscilloscope
Lecture 12
Review Exam 1
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Review Exam 1
Review Exam 1 (Secret Top!)
Lecture 13
Moving Charges in B-Fields
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Moving Charges in B-Fields
Moving Charges in B-fields, Cyclotron, Synchrotron, Mass Spectrometer, Cloud Chamber
Lecture 14
Biot-Savart Law
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Biot-Savart Law
Biot-Savart Law, Gauss' Law for Magnetic Fields, Revisit the "Leyden Jar", High-Voltage Power Lines
Lecture 15
Ampere's Law & Solenoids
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Ampere's Law & Solenoids
Ampere's Law, Solenoids, Revisit the Kelvin Water Dropper, Midterm Evaluation
IV. Electromagnetic Induction
Lecture 16
Faraday's Law & Lenz Law
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Faraday's Law & Lenz Law
Electromagnetic Induction, Faraday's Law, Lenz Law, Complete Breakdown of Intuition, Non-Conservative Fields
Lecture 17
Motional Electromotive Force
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Motional Electromotive Force
Motional EMF, Dynamos, Eddy Currents, Magnetic Braking
Lecture 18
Displacement Current
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Displacement Current
Displacement Current (Difficult Concept), Synchronous Motors, Induction Motors, Secret Top, How does it work?
Lecture 19
Superconductivity and Levitating Bullet Trains
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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
Lecture 20
Inductance & Magnetic Field Energy
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Inductance & Magnetic Field Energy
Inductance, RL Circuits, Magnetic Field Energy
Lecture 21
Dia-, Para- & Ferromagnetism
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Dia-, Para- & Ferromagnetism
Magnetic Materials, Dia-, Para-, and Ferromagnetism, Prize Ceremony of Motor Contest
Lecture 22
Maxwell's Equations
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Maxwell's Equations
Hysteresis, Electromagnets, Bohr Magneton, Maxwell's Equations, 600 daffodils
Lecture 23
Review Exam 2
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Review Exam 2
Review Exam 2
V. Electromagnetic Waves
Lecture 24
Transformers & RC Circuits
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Transformers & RC Circuits
Transformers, Car Coils, RC Circuits
Lecture 25
Resonance & Driven LRC Circuit
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Resonance & Driven LRC Circuit
Driven LRC Circuits, Resonance, Metal Detectors (Beach/Airport)
Lecture 26
Traveling Waves & Standing Waves
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Traveling Waves & Standing Waves
Traveling Waves, Standing Waves, Musical Instruments
Lecture 27
Electromagnetic Waves and Radar and Lasers
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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
Lecture 28
Polarization & Oscillating Charges
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Polarization & Oscillating Charges
Index of Refraction, Poynting Vector, Oscillating Charges, Radiation Pressure, Comet Tails, Polarization (Linear, Elliptical, and Circular)
Lecture 29
Color and Reflection
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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
Lecture 30
Polarizers
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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?
Lecture 31
Rainbows
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Rainbows
Fog Bows, Supernumerary Bows, Polarization of the Bows, Halos around the Sun and the Moon, Mock Suns
Lecture 32
Review Exam 3
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Review Exam 3
Review Exam 3
VI. Applications
Lecture 33
Interferometers
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Interferometers
Double-Slit Interference, Interferometers
Lecture 34
Telescopes
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Telescopes
Gratings, Resolving Power, Single-Slit Diffraction, Angular Resolution, Human Eye, Telescopes
Lecture 35
Doppler Effect & The Big Bang
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Doppler Effect & The Big Bang
Doppler Effect, The Big Bang, Cosmology
Lecture 36
Astronomy Research at MIT
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Astronomy Research at MIT
High-energy Astrophysics, Astronomy, Balloons