This resource from Johns Hopkins University has audio and interactive components. Various forms of the Fourier series description for periodic signals are based on alternate ways of writing a cosine signal. This...
Nick Reeder from Sinclair Community College created this interactive tool to compute with phasors when you're analyzing AC circuits. The phasor calculator allows you to add, subtract, multiply, or divide phasors. Use E...
This course, presented by MIT, explores electromagnetic phenomena in modern applications. Some of these include: wireless communications, circuits, computer interconnects and peripherals, optical fiber links and...
This site, by Andrew Davidhazy at the Rochester Institute of Technology, describes how to make interesting and artistic photographs of a vibrating string. Davidhazy explains how the string is vibrated, how the string is...
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