Electronics Forum / Electrical Engineering / November 2004

First time posting here.
I'm doing some PC overclocking & have been finding my cpu pwr FETs are
really sizzlin'! I don't have the equipment to get a temp reading, but
several ppl on an overclocking forum I'm a member of, have already lost some

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I don't know if this is the right group, but maybe someone here can help me.
Does anyone know how much electrical power is consumed year by year from the
outdoor x-mas lights? How much is it in the states or how much in a small
city, let's say with a population of 40,000? Is there a ...

I am about to get ready from a two year college to a 4 year college. My
major is Electrical Engineering, but I am having trouble finding a college.
There are three colleges I know of in Arkansas that offer Engineering
degrees. This list as of now:

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I have a circuit that I understand the DC gain, but I don't understand the
AC gain.
the top resistor on the base from Vcc is 18k, bottom is 18.2k into a 2n3904
with an Re of 562 and an Re of 1k, vcc is 9v.

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well, the first post did not go so....
 I am replacing a porch light, I don't want to turn off all the breakers to
the house to find out which one it is, is shutting the switch off safe
enough? Or is there a hot side of the switch that could be wired to one side

Hello, I have to replace some old wooden vertical raceways (out the top of a
PDC xfmr room) that have 1000 mcm single conductors, with some steel tray.
Does anyone know of any health hazards to do this while their is large
currents flowing?

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I 'm looking for an electric scheme on how I can make a kind of a 'quiz
board'.
Every man (say 4 men) have a switch or a button and a lamp. The quizmaster
also have a switch or a button. The quizmaster asks his question and then

I don't even know which automotive group would handle such a question, but
surely somebody here can shed some light.
I have a power inverter which plugs into my car's cigarette adapter.  When
I switch it on, the "power" LED stays lit just fine. As soon as I try to

They are installing an underground electrical cable in my neighborhood. It
has about 20 plastic tubes 4 inches in diameter.  I suppose they will have
metal conductors inside.  Does anybody know about this design?  I suppose it
is about 750kv.  What if water gets inside to tube?

I'm hoping someone can give me a an answer to this I've gotten mixed
information.
I'm wanting to run power to my lake cabin without having to down hundreds of
trees for a power company right-of-way.