In Reply to: Add a little picture posted by commentary on January 28, 2013 at 05:36:59:
Stress? What's that and what can it cause? Why do magnetized transformers saturate? Why do highly stressed electrostatically charged insulators "stretch like a balloon wrt the charge", and what the heck does that mean?
Things to ponder when you're not too old to ask "why?", and your textbook could be seen as really "long in the tooth."
I guess I am still young at 52 in ways.
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Follow Ups
- Displacement current? What's that? - commentary 05:51:24 01/28/13 (0)