Pro@programming.dev to Technology@lemmy.worldEnglish · 2 个月前Is it OK to leave device chargers plugged in all the time? An expert explainstheconversation.comexternal-linkmessage-square48linkfedilinkarrow-up134arrow-down138cross-posted to: [email protected]
arrow-up1-4arrow-down1external-linkIs it OK to leave device chargers plugged in all the time? An expert explainstheconversation.comPro@programming.dev to Technology@lemmy.worldEnglish · 2 个月前message-square48linkfedilinkcross-posted to: [email protected]
minus-squarefullsquare@awful.systemslinkfedilinkEnglisharrow-up6·2 个月前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
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