Recent content by sighman

I am unclear as to what the dominant harmonic is referring to in the last part.

I see, that makes sense, thanks :smile:

On wikipedia: http://en.wikipedia.org/wiki/Current_source Under the heading, "Current and voltage source comparison" It says that most sources of electrical energy are best modeled as voltage sources, that is supplying constant voltage. But why do most sources provide constant voltage...

In my lab, we were spinning a mass (stopper) in a uniform circular motion attached to a string. The string went through a hollow tube and at the other of the string, a weight was hanged. We were trying to find out how frequency of the revolution were affected by mass, radius and tension force...