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Re: camera flash sound



> mechanical stress via a magnetic interaction
> (vaguely light-bulb filament style)?

I don't know what that's alluding to.

Sorry to be cryptic. I meant the tendency of filaments to vibrate
under AC and ultimately to break because of the magnetic force
between coils (aggravated by the low resistance and hence high
current when cold at turn-on).
--
Carl E. Mungan, Asst. Prof. of Physics 410-293-6680 (O) -3729 (F)
U.S. Naval Academy, Stop 9C, Annapolis, MD 21402-5026
mungan@usna.edu http://physics.usna.edu/physics/faculty/mungan/