Mike,
I not sure if I explained what I was trying to say in my last email. But
if you look at the light bulb and reversed the connections at the bulb in "A"
the bulb would still burn since the diode is conducting and allows current to
flow. If you did the same thing in 'B' the bulb still wouldn't burn since the
diode isn't conducting. But if you put the diode at the bulb then the light
wouldn't burn in either "A" or "B" in one hook up direction. And yes voltage
does have somthing to do with it, if the diode is conducting then voltage will
be on both sides of the diode minus ~0.7 v allowing current to flow from the
current source. We are both saying the same thing only the placement of the
diode is the issue.
Stanley
> > Stanley, voltage has nothing to do with it..... a diode prevents >
reverse current flow.... try it with a meter...... or check this out....> >
http://www.allaboutcircuits.com/vol_3/chpt_3/1.html
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