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Class Notes for Physics at Massachusetts Institute of Technology

8.02 Lecture Notes - Lecture 1: Scalar Field, Vector Field, Net Force

Textbook Readings: Week 1 1.1-1.7 • Action at a distance: The worldwide view that the interaction of two material objects requires no mechanism other than the objects themselves and the empty space between them • Tot...

Physics
8.02
Peter Dourmashkin
8.02 Lecture Notes - Lecture 1: Curve, Electric Potential, Surface Integral

Week 9: Day 1 Concept Question: Loop in Uniform Field Correct answer: 1 While a rectangular wire loop is pulled upward through a uniform magnetic field B field penetrating its bottom half, as shown, there i...

Physics
8.02
Peter Dourmashkin
8.02 Lecture Notes - Lecture 1: Current Density, Negative Number

Week 7: Day 2 Concept Question: Ampere's Law Correct answer: 3 Integrating B around the loop shown gives us is zero Ampere's Law ∫B•∂ = μ ∫∫ J•n ∂a Group Problem: Line Integral of Magnetic Field C...

Physics
8.02
Peter Dourmashkin
8.02 Lecture Notes - Lecture 1: Gaussian Surface, Superposition Principle, Surface Integral

Week 2: Day 2 Review: Electric Field Lines ◦ Direction of field at any point is tangent to field line at that point ◦ Field lines point away from positive charges and terminate on negative charges ◦ Field l...

Physics
8.02
Peter Dourmashkin
8.02 Lecture Notes - Lecture 1: Helmholtz Coil, Electric Dipole Moment, Net Force

Week 7: Day 1 Concept Question: Magnetic Dipole in Helmholtz Coil Correct answer: 3 A dipole pointing along the positive x-direction and located above the two coils (z > 0) will feel both a force and a torque ...

Physics
8.02
Peter Dourmashkin
8.02 Lecture Notes - Lecture 1: Displacement Current, Capacitor, Poynting Vector

Week 13: Day 2 Concept Question: Capacitor Correct answer: 1 The B field is counterclockwise, which means that flux is increasing in time. So positive charge is increasing on the bottom plate Ampere's Law: Capa...

Physics
8.02
Peter Dourmashkin
8.02 Lecture Notes - Lecture 1: Drift Velocity, Electric Potential

Week 6: Day 1 Concept Question: Resistance Correct answer: 3 When a current flows in a wire of length L and cross sectional area A, the resistance of the wire is proportional to length and inversely propor...

Physics
8.02
Peter Dourmashkin
8.02 Lecture Notes - Lecture 1: Rlc Circuit, Angular Frequency, Propagation Constant

Week 13: Day 1 AC Series RLC Circuit Z = Z + Z + Z = R + i(ωL - 1/ωC) φ = δ = arctan Resonance: Driven Series RLC Circuit Resonance occurs when impedances match The current amplitude has the maximum...

Physics
8.02
Peter Dourmashkin
8.02 Lecture Notes - Lecture 1: Surface Charge, Applet, Equipotential

Week 4: Day 2 Concept Question: Point Charge in a Conductor Correct answer: A point charge +q is placed inside a hollow cavity of a conductor that carries a net charge +Q. What is the total charge on the outer ...

Physics
8.02
Peter Dourmashkin
8.02 Lecture Notes - Lecture 1: Joule, Bisection, Sinj

Week 2: Day 1 Concept Question: Dipole Field Correct answer: As you move to large distances r away from a dipole, the electric field will fall-off as: more rapidly than 1/r^2 Electric Dipole Moment: Two Charge...

Physics
8.02
Peter Dourmashkin
8.02 Lecture Notes - Lecture 1: Rlc Circuit, Voltage Source, Direct Current

Week 12: Day 2 AC Circuits: Example ac voltage source current we need to determine I and φ Group Problem: Inverse, Addition and Multipication of Complex numbers What is the inverse of a complex num...

Physics
8.02
Peter Dourmashkin
8.02 Lecture Notes - Lecture 1: Rc Circuit, Rl Circuit, Inductor

Week 11: Day 2 Inductors in circuits Circuit element with self-inductance Ideally it has zero resistance Concept Question: Inserting a Core Correct answer: 1 If you insert an iron core into a curren...

Physics
8.02
Peter Dourmashkin
8.02 Lecture Notes - Lecture 1: Electric Potential Energy, Electric Potential, Test Particle

Week 3: Day 2 What is the definition of electric potential? The difference between two points A and B as the change in potential energy per test charge in moving a test charge from A to B Units: Volts What is ...

Physics
8.02
Peter Dourmashkin
8.02 Lecture Notes - Lecture 1: Electric Potential

Week 1: Day 1 Concept Question: Loop in Uniform Field Correct answer: 1 While a rectangular wire loop is pulled upward through a uniform magnetic field B field penetrating its bottom half, as shown, there i...

Physics
8.02
Peter Dourmashkin
8.02 Lecture Notes - Lecture 1: Rc Circuit, Capacitor, Electric Potential

Week 11: Day 1 Concept Question: RC Circuit Correct Question: At the instant the switch is closed Initially there is no change on the capacitor, so it looks like a short. Thus all the current will slow th...

Physics
8.02
Peter Dourmashkin
Thermodynamics - Reference Guides

This detailed and well structured Guide builds upon the Physics principles defined in its companion Guides. The basic concepts are clearly and concisely defined and the laws of Thermodynamics are clearly articulated. Graph...

Chemistry
CHEM 11100
All Professors
Physics - Reference Guides

This Guide is an aid to understanding one of the essential ‘hard’ sciences. Concepts such as mechanics and magnetism are explained in clear terms, aided by a number of useful examples and equations. The Guide provides the ...

Basic Engineering
BE 1101
All Professors

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