Electronics Forum / Electrical Engineering / September 2005

Watched Lou Dobbs on CNN this yesterday evening...it wasn't a pretty
picture. (09/13/2005)
Our trade deficits are spirialing completely out of control with China.
They alone account for over 27% of the trade deficit.  This year we

My greenhouse fogger (think of an upward-facing fan sucking water out of a
reservior and blowing it in the air) failed recently, and I found that the
capacitor attached to the motor had exploded, melting much of the
specifications printed on the side.  The only markings legible ...

Anyone know of a good web site or book that derives from the most basic
first principles all of the relations between sin(theta) cos(theta)
tan(theta) and how they are derived in relation to circles?  I'm not just
talking about how sin(theta) is opposite over adjacent, but WHY it is ...

I was wondering if anyone could help me out with a problem I am having.
We have one of those portable hot tubs (the kind that you can assemble
and reassemble easily).  I recently put it up outside (it is about 2
years old)and filled it up.  I plugged it in, and when I put my hand ...

Visit this adress-  www.willyoujoinus.com ,to join the debate on inflated
oil prices and diminishing energy resources of mankind on the 21st
century.IMHO, new refrigerators, TV sets and washing machines consume less
energy than their 20-year old predecessors, while usually a fan, ...

i have been assigned to check pt and ct connections on an old GE meter setup
that has
been relocated by a third party recently. meter is running backwards
meter is 8 jaw s base made by GE complete with shorting interlocks ( small

Sorry if this isn't the place to ask this question (if anyone knows of a
more appropriate one, please let me know)
I'm interested in seeing if a large weight, (several tons, at least)
when raised up to a certain height and hooked up to a portable

"Sylvia" <george_corinne@yahoo.com> wrote in
news:1126520658.500346.62320@g43g2000cwa.googlegroups.com:

Please if somebody can explain me why a grounding transformer Y-delta
it´s KVA are less compared with the KVA of a ZigZag transformer
working in the same circunstances.
Thanks

Are there 4-way dimmer switches out there?  I just want the standard
switch (up/down), but with dimming capability.
I have a set of lights that are controlled by 3 switches.  The switches
are at the end of the circuit (power jumps through the light boxes and

LA Blackout of 9/12/05 -  The first news reports are rather vague and
describe electrical crews connecting the wrong "wires" to the wrong
transmission line, one that could not "handle" large amounts of power.
Does anyone have a more detailed explanation about what really

I need to power a tiny wireless "nanny" cam in a place where no AC can
be installed. The camera is only needed during a certain time frame
each day. Currently using the best 9 Volt battery and get maybe 3
hours use before picture quality becomes unuseable. Is there any way

My wife has a halogen desk lamp with SBE e101956 stamped on it. That's the
only indication of make or model. It takes one J type bulb, up to 100W, and
states 120 volt. It also has a dim & a bright setting.
The new bulb I bought is 130 volts, type J, and it fits and works.

Does anyone know how Hybrid vehicles work?  How does the vehicle propel
itself when the battery is in action?  Does an electric motor produce the
torque in this situation?  An electric motor actuating (with the magnetic
field and current) directly at the Wheel's axel?  Obviously the ...

To NunYa Bidness:
On the kookologist who brought this to sci.physics - ignore the
trolling.  Regardless of what they think, you are not obliged to
respond to anything anyone posts ever.  You have better things to do