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What is the principle of wireless charging of mobile phones?
Oct 14, 2018

There is no strong radiation and it has no effect on the human body! The main principle is:


The methods of wireless charging include electromagnetic induction, magnetic resonance, electric field coupling and radio wave transmission. Most of the wireless charging of mobile phones adopts the principle of electromagnetic induction.


Electromagnetic induction type wireless charging, when the current of the power supply passes through the coil (the power supply coil of the wireless charger), a magnetic field is generated, and other unpowered coils (the power receiving coil of the mobile phone end) generate current near the magnetic field to charge the mobile phone.


Advantages of wireless charging

Safety: no power contact design to avoid the risk of electric shock

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