russwr Posted Saturday at 10:28 PM Report Share Posted Saturday at 10:28 PM Can a high internal resistance 9v battery be applied in parallel to 3vDC battery D cell amps pack to run a 10 amp 6V DC headlight bub at full brightness? Neither source power by itself can run bulb. Superimposed 2 sources to operate load bulb resistance? 9 volts DC added to separate power pack. A variable power resistor + amp meter can substitute for bulb, as a higher current reading obtained. Quote Link to comment Share on other sites More sharing options...
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