http://www.youtube.com/watch?v=5Iw-c-I8dzIendofvid [starttext] When the phone is set on the pad, a coil in the pad creates a magnetic field which induces a current in another coil, in the phone, charging its battery. Wireless power transfer (WPT) or wireless energy transmission is the transmission of electrical ..... Another advantage is that resonant circuits interact with each other so much ...
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