From my understanding when a magnetic field passes through a coil it generates a current. What prevents us from being able to create a coil that can harness earths magnetic field to generate a current/electricity? Would it need to be huge? Is the earths magnetic field to low? Idk I’ve been thinking about it a lot recently and I just don’t understand why it wouldn’t work.
In: Planetary Science
Like you said, it’s when a magnetic field PASSES through a coil. We could make such a coil but if we just let it be, it would be stationary so it wouldn’t create any electricity. We would need to move it and for that we would spend more energy than the crested electricity
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