Like, how does the spark move through wires and why?
In: Technology
A spark doesn’t move through the wires. Electricity is the flow of electrons from the positively charged terminal to the negatively charged terminal of a circuit. To charge your phone the AC power is taken through a transformer and then a rectifier to produce DC power at a lower voltage. It is then moved through the charging cord to your phone. Once in the phone it is controlled by the charging regulator circuit, which controls how much power voltage is allowed to hit the battery, and at what amperage. The battery will need a certain amperage for a time, and the voltage delivered will be allowed to rise to drive that amount of amperage. Then the battery will need a fixed voltage with an amperage that slowly tapers down to zero. This will fully charge the battery without over charging it. Li-Ion batteries are more complex than older styles of batteries, which means that the charger has to accommodate those needs.
usually, it all starts with something causing water to boil and create steam which then turns a turbine. that is kinetic energy and can be converted into electrical energy, but not with 100% efficiency. that electrical current goes through wires, transformers, etc. that electrical current will go through wires and then into your phones lithium-ion battery and change what is inside from the battery from one chemical to another causing it to charge via the electrical current.
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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