Originally Posted by
TJElite
Not to restart the whole cap fight again...your last statement is incorrect. When a cap discharges, its resistance goes down. In fact, a fully discharged cap will look like a dead short...that's why you need a series resistor (most are built in, now) when you charge them for the first time. If that doesn't make enough sense, how can anything that is not full, get filled up, without taxing the system that is filling it? Batteries never 'demand' more voltage than is available, so, are they not a load when discharged, either? I don't think so.
Again, splitting hairs, because the load isn't big, and doesn't last long, but there is a load.
Toby
yes but the load is absorbed before the current spike ends since the amp is no longer requiring current the alt can recharge the cap without affecting current output to the amp. And the capacitor is never emptied since it only drops as low as the nominal voltage that the amp sees which may be 9 volts.