Published on September 23, 2017
How can phones charge wirelessly without connecting wires?
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Qi Wireless charging has been around for a long time, but has recently got a lot more interest because the new iPhone 8 and iPhone X now support it. This video talks about how wireless charging works in phones, and the science behind it, because it’s quite interesting. The basis of it has to do with Faraday’s Law of Induction, where a changing magnetic field can induce a current in a wire. This method allows the phone battery to be charged wirelessly.
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