A changing Magnetic flux induces an Electric field. This can create a current in a wire to power a
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No battery needed!pic.twitter.com/ggeayJedFD
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This is the idea behind power generators: • Spin a magnet with a mechanical source (e.g. water) • The changing Magnetic field induces an AC current in nearby wires • The current can then be sent to an "outlet" (or applied directly as shown here)pic.twitter.com/u6KuTAouvi
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This is precisely how "induction stoves" work • The oscillating magnetic field wirelessly induces a current in the pot • The current flowing through the pot results in resistive heating The coolest thing about induction stoves is that the stovetop itself doesn't get hot!pic.twitter.com/sLC3hDyAun
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Although it can get hot through thermal conduction
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well they usually make the stovetops explicitly out of material that is nonconducting AFAIK
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I love my induction hob. Had for 8 years and wouldn't give it up.
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