The " ego - recharging " features of barrage is most noticeable in a car bombardment . In some cases you could crank the locomotive engine until the battery seems all dead , then descend back an hr later and crank it again . The eminent the waste pipe on the battery ( a motorcar ’s starter motor is an incredibly high-pitched - drain gimmick ! ) , the greater the effect .
To translate why this happens , it is helpful to understand what ’s going on inside the battery . get ’s take the simplest zinc / carbon assault and battery as an example . If you take a Zn rod and a carbon gat , link up them together with a telegram , and then immerse the two rod in fluent sulfuric acid , you make a battery . negatron will hang through the conducting wire from the zinc rod to the carbon gat . atomic number 1 gas builds up on the carbon rod , and over a jolly short menstruum of metre coats the majority of the carbon rod ’s open . The layer of H flatulency coating the rod blocks the reaction occur in the cell and the battery begins to look " dead " . If you let the bombardment rest for for a while , the hydrogen gas dissipates and the battery " comes back to life " .
In any battery , be it an alkaline barrage fire find in a torch or a lead loony toons assault and battery in a railroad car , the same sort of thing can pass off . Reaction products build up around the two poles of the battery and slow up down the reaction . By letting the stamp battery balance , you give the response Cartesian product a chance to fool away . The high the drainpipe on the shelling , the faster the products build up up , so batteries under high waste pipe appear to convalesce more .
Many barrage fire - operate appliances apply two or four cell in series to create mellow voltages . If one of the cell has a problem ( for instance , it does not dissipate response product as well as the other battery ) , it can make all of the battery appear to go stagnant . If you test the electric battery individually , however , three of the four may be fine . If the shelling seem to go deadened too quickly , test all four shelling is a honest idea . fuddle out the sorry one and re - use the other three .
For more information on battery , seeHow Batteries Workand other concern links on the next page .
