Quote:
Originally Posted by old_coot88
Assuming the filaments are in series, the string would draw only 50ma.
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The portables had the tubes in series, the farm radios were all in parallel.
IIRC, in all the real large battery packs the "A" cells were all in parallel supplying 1.5 volts. Those battery packs were really large, heavy and unsuitable for portable use.