Hi, If I use a 1k resistor and 10k resistor in a simples cirtuir that goes from 5V -> resistor -> GDR will the 10k resistor make the battery (5v) last longer?
What am I consuming when I connect a battery to a resistor?
If I get a battery that I dont know if it was used, is it possible to check how many amps it still has available?
If I use 50mA of it how many hours will it last? Is there someway I can check how long is it a battery last?
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