What is the name of a wireless charger for your phone?
Wireless charger for a phone is a slang name, it is simple and accessible to most people, but in fact such a device is called a Qi coil (induction). The name clearly enough shows the principle of its functioning - the current is transmitted in accordance with the principle of magnetic induction, and Qi is such a whim of the developers, it denotes the Chinese concept - qi, energy that supposedly circulates along special (energy) meridians inside a person.
Most likely, wireless charging for a mobile phone is called induction charging, or inductor, a gadget that uses the principle of magnetic induction in its work. Induction, or aiming at a distance. a very commonly used principle in physics.