==CPB - The Mechanical Universe…and Beyond (1986) Part 38 Alternating Current==


[[http://forums.mvgroup.org/index.php?showtopic=46097|CPB - The Mechanical Universe…and Beyond (1986) 38 Alternating Current  ]]

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**The Mechanical Universe...and Beyond**

This series helps teachers demystify physics by showing students what it looks like. Field trips to hot-air balloon events, symphony concerts, bicycle shops, and other locales make complex concepts more accessible. Inventive computer graphics illustrate abstract concepts such as time, force, and capacitance, while historical re-enactments of the studies of Newton, Leibniz, Maxwell, and others trace the evolution of theories. The Mechanical Universe helps meet different students' needs, from the basic requirements of liberal arts students to the rigorous demands of science and engineering majors. This series is also valuable for teacher professional development.

**Part 38: Alternating Current**

Electromagnetic induction makes it easy and natural to generate alternating current. Use of transformers makes it practical to distribute ac over long distances. Although Nikola Tesla understood all this, Thomas Edison chose not to, and thereby hangs a tale. Alternating current circuits obey a differential equation identical to the harmonic oscillator resonance equation.


==See Also==



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