Il-poli pożittivi u negattivi tal-ċarġer tal-USB huma wajers ħomor u suwed. Il-wajer aħmar jirrappreżenta l-arblu pożittiv tal-provvista tal-enerġija (VCC / 5V), li jipprovdi 5V DC vultaġġ għal apparati esterni; Il-wajer iswed huwa l-arblu negattiv tal-provvista tal-enerġija (GND), u flimkien mal-wajer aħmar, jifforma ċirkwit tal-qawwa.
Il-poli pożittivi u negattivi tal-ċarġer tal-USB
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