Re: Confusion Over Batteries.......



On 21 Nov 2005 03:22:02 -0800, "Moikel" <obviouslyadummy@xxxxxxxxx>
wrote:

>Hey,
>
>I'm a reletive newbie in the world of practical electronics (although
>I've been studying electronics in school and college for years). I'm
>pretty solid with the theory of the whole thing but I'm having problems
>with the practical side of things.
>
>The confusion is over batteries.
>
>When analysing circuits on paper everything is nice and obeys ohm's law
>and the whole lot. But I recently discovered that batteries will only
>supply a certain amount of current and thus in certain circuits won't
>be able to supply current that would be obtained in theory. Also, their
>terminal voltage will drop if asked to supply high currents, I think.
>
>Now I need to know exactly what kind of current I can expect from a
>battery at its rated voltage. In other words, how will I know if a
>battery at the correct voltage will be able to supply enough current
>for a given circuit to work correctly and avoid voltage drops and the
>like?

have u taken the internal resistance of the battery into account?
.



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