if you have an issue with something powered by electricity, why do you need to count till 5/10 when you unplug/turn off power before restarting it?
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Electronics often have these things called “capacitors” that are sort of short-term batteries. They hold on to power for a short time and need a few seconds for the power to drain out of them. You’re counting to make sure that all of the parts of the machine have no power and reset to their unpowered state.
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