You order a cheap cable off Amazon or eBay and it never appears to charge at the correct speed anymore. USB chargers can impact how fast your device's battery gets back to 100%, but they're not the only determining factor. The wrong cable can slow down charging speeds as well. Redditor Esteef explains. USB cables have a data wire and a charging wire within the cable itself. Most USB cables, probably over 99+% are 28/28. Buying after market micro USB cables will pretty much always result in getting cheap quality 28/28 cables and your device will barely break 500mah when it charges, maybe even less.
As the temperature increases, some electrons move from valence band to conduction band. This gives rise to the conductivity. But, as the number of charge carriers are very low, covalent compounds are poor conductors.
1 Conductors conduct electrical current very easily because of their free electrons. 2  Insulators oppose electrical current and make poor conductors. 3  Some common conductors are copper, aluminum, gold, and silver. 4  Some common insulators are glass, air, plastic, rubber, and wood.