Pro to Technology@lemmy.worldEnglish • 26 days agoIs it OK to leave device chargers plugged in all the time? An expert explainstheconversation.comexternal-linkmessage-square48fedilinkarrow-up132arrow-down138
arrow-up1-6arrow-down1external-linkIs it OK to leave device chargers plugged in all the time? An expert explainstheconversation.comPro to Technology@lemmy.worldEnglish • 26 days agomessage-square48fedilink
minus-square@fullsquare@awful.systemslinkfedilinkEnglish6•26 days agoold 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
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