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#1- they have a crystal radio kit, and they're trying to identify the
frequency of the radio station that they're picking up.
#2- another circuits project, a la Mythbusters this time. They're
looking for the "break even" time for a fluorescent light bulb
to make up its high energy start-up cost in low steady-state consumption. We trying to measure the current drawn with a PasPort current probe. The
max current for these is listed at 1.1 A, and the steady state current for
the 20W tube should be .167 A, but the start-up current is apparently high
enough to spark, fry, and let the smoke out of the probe...