This article proposes transmitter coils selection method for maximum power transfer efficiency in the wireless power transfer (WPT) system with multiple transmitter coils and a single receiver coil ...

So, while vitamin D2 and D3 perform the same functions, your body metabolizes vitamin D3 more efficiently than D2. Another key difference between the two forms of vitamin D is their source.

In this paper, bipolar coils and unipolar coils are integrated into the transmitting side and the receiving side to make the magnetic coupler more compact while delivering high power. The same-side ...