As far as my understanding goes it’s possible to create power with a magnet moving around a wire coil.
Couldn’t we use this effects and charge electrical vehicles by driving over magnets (most basic idea)?
In: Physics
Magnetic fields passing through a loop(s) of wire can induce current that you can use to charge a battery. The only caveat is this magnetic field has to be changing constantly or the loop has to be rotating within the magnetic field.
In either case, trying to do this on a large scale for something like an electric car would be possible but inefficient and expensive by my estimation.
The wireless chargers we use for our phones are do this by flipping the magnetic field’s direction rapidly, but even on such a small scale it’s super inefficient.
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