Ever thought of the wireless power transfer over long distance? And the wireless power transfer with no plugs and nothing to do with wires! Just as simple as transmitting and receiving. Sounds great! Wireless power transfer (WPT), wireless power transmission, wireless energy transmission, or electromagnetic power transfer is the transmission of electrical energy without wires as a physical link. In a wireless power transmission system, a transmitter device that is driven by electric power from a power source, generates a time-varying electromagnetic field, which is capable of transporting power to a receiver device through open space, which extracts power from this field and supplies it to an electrical load. The latest example of wireless power transfer is wireless charging of smart phones, earphones, etc. The technology is rapidly developing and will take greater stand in the later years. ...
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