Re: newbie DC question

From: Active8 (reply2group_at_ndbbm.net)
Date: 12/28/04 

Date: Tue, 28 Dec 2004 12:46:38 -0500

On Tue, 28 Dec 2004 02:41:26 GMT, Rob Snyder wrote:

> Greetings.
>
> I've been studying electronics on my own for a little while now, and
> there's one basic concept I can't seem to get my head around. I
> apologize in advance for the really basic question, but I just can't
> find the answer and it's keeping me up at night.

That's what .basics is for :)
>
> I thought I understood DC, at least at a primitive level. In circuits
> with a battery, things make sense - there is a positive and a negative,
> current flows from the negative through the circuit to the positive...
> makes sense.

You got good answers here but let me nitpick since you're new.

*Charge* flows. *Current* is *charge flow* So *charge* flows from A
to B. "Current flow" is an expression sometimes hard to avoid. "The
potential difference effects/causes a current in the resistor."

<snip> 

-- 
Best Regards,
Mike

Relevant Pages

  • Re: basics of an RF circuit?
    ... inductors which act as a filter, or a quartz crystal - which ALSO ... Output amplifier: A circuit which increase the power of the ... There can certainly be other circuits and components involved; ... recommendation that you find a good book covering the basics ...
    (sci.electronics.basics)
  • Re: hello i wish to learn elecectronics any help
    ... >> electronics physics syllabus but i wish to learn it further posasibly ... >> from ground up till i can understand circuits well and possible design ... > can take just the basics, ... It does a very good job of explaining electronic components, ...
    (sci.electronics.basics)
  • Resistor placement, +/- rails, and DC current direction
    ... I've been reading a soldering book which covers the basics of ... says that current flows from Negative ... the electricity goes in a complete circuit ...
    (sci.electronics.basics)
  • Re: OLD Hitachi C28P510S TV problem
    ... Please don't even bother to post ... I know some basics and that should be enough to resolder an IC or replace a ... >> circuits, and maybe even the audio circuits. ... >> Art, ...
    (sci.electronics.repair)
  • Re: hello i wish to learn elecectronics any help
    ... > electroncs i am in possestion of a basic knowledge which is basic ... > electronics physics syllabus but i wish to learn it further posasibly ... > from ground up till i can understand circuits well and possible design ... can take just the basics, ...
    (sci.electronics.basics)