In my garage, I have a fluorescent light -- the long kind with two
"bulbs" -- nd two CFLs-- the spiral type.

Q #1: When I put on the garage lights, the fluorescent buzzes
horribly. Today, it didn't buzz. I looked around and saw that one of
the CFLs was out. I replaced it and the fluorescent buzzed again.
What's the connection? Why did this happen?

Q #2: Is there a way to tell that a CFL is burned out? With an
incandescent, you can tell by shaking it. But i had to screw that CFL
into another lamp to make sure it really was burned out.

TIA for any help

HB