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# Fundamentals of Physics III

Yale, , Prof. Ramamurti Shankar

Updated On 02 Feb, 19

##### Overview

Electrostatics - Electric Fields - Gauss's Law and Application to Conductors and Insulators - The Electric Potential and Conservation of Energy - Capacitors - Resistance - Circuits and Magnetism - Ampere's Law - Lenz's and Faraday's Laws - LCR CircuitsDC Voltage - LCR CircuitsAC Voltage - Maxwell's Equations and Electromagnetic Waves - Ray or Geometrical Optics - Wave Theory of Light - Quantum Mechanics:The key experiments and wave-particle duality - Measurement theory, states of definite energy - Particle in a Box - Time-dependent Schrdinger Equation - Summary of postulates and special topics

## Lecture 14: Maxwells Equations and Electromagnetic Waves I

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###### Lecture Details

Fundamentals of Physics, II (PHYS 201)

Waves on a string are reviewed and the general solution to the wave equation is described. Maxwells equations in their final form are written down and then considered in free space, away from charges and currents. It is shown how to verify that a given set of fields obeys Maxwells equations by considering them on infinitesimal cubes and loops. A simple form of the solutions is assumed and the parameters therein fitted using Maxwells equations. The wave equation follows, along with the wave speed equal to that of light (3 x 10^8), suggesting (correctly) that light is an electromagnetic wave. The vector relationship between the electric field, the magnetic field and the direction of wave propagation is described.

Complete course materials are available at the Open Yale Courses website httpopen.yale.educourses

This course was recorded in Spring 2010.

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###### Comments Sam

Excellent course helped me understand topic that i couldn't while attendinfg my college.

Reply Dembe

Great course. Thank you very much.

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