Is it OK to leave device chargers plugged in all the time? An expert explains
Is it OK to leave device chargers plugged in all the time? An expert explains
theconversation.com Is it OK to leave device chargers plugged in all the time? An expert explains
‘Vampire power’ is real.
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old power supplies used transformers, which when not loaded behave like inductors, and this causes reactive current to flow. not a problem for the last 15+ years because everything uses switching mode power supplies now
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