Like, how does the spark move through wires and why?
In: Technology
Electricity is invisible since it is made of electrons (it does not consist of photons, which are what light is made of). Sparks are actually made of air, which is ionized by the invisible electricity.
Electrons move through the metal inside of the wires of your house. These electrons move into the charger plug. The charge plug uses these household electrons (high voltage alternating current) to transfer energy to other electrons in the phone charger cord (low voltage direct current). These electrons flow through the charger cord and into the battery. Inside the battery, the buildup of electrons forces a chemical reaction to occur inside of the lithium compounds of the battery. The chemical reaction creates a buildup of lithium compounds with stored energy. When you unplug your phone, the built up lithium compounds break down, releasing electrons into your phone to power it.
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