Yes, it is possible to supply an AC (alternating current) current wirelessly using a technology called “wireless power transfer.” Wireless power transfer enables the transmission of electrical energy from a power source to an electronic device without the need for physical connectors or wires. One of the commonly used methods for wireless power transfer is electromagnetic induction, where a primary coil (transmitter) generates a changing magnetic field, and a secondary coil (receiver) captures this field, inducing a voltage, and thus, an AC current in the secondary coil. This technology is used in various applications, such as wireless charging of smartphones and electric toothbrushes.

 

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