is a MOSFET required to reduce heat????

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Is there any health hazard to have one capable of providing wireless electricity for 100M of range?

[ataradov]

Is there any health hazard to have one capable of providing wireless electricity for 100M of range?

Well, so far no one was able to create anything capable of doing even 1 m. If you just go for it in a dumb way and make something really-really powerful, then yes, there is health hazard.

Thankfully it is very expensive to do, and alternative energy people are very poor.