mozza wrote:
> In a really simple circuit, say a battery across which is a lamp. The lamp
> will glow at a particular brightness. Now before the battery goes flat,
> stick a resistor across the battery - the lamp goes dimmer as current is
> being used by the resistor, which is therefore not available to the lamp.
If the battery is a fresh battery this will not happen. What you are
discribing is true only of a high resisitance power source or a battery
that has been used until it needs to be recharged. A regulated power
supply doesn't do that.
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