Read by Duranee and Barry Haworth, written by Steve Nerlich, technical advice from Stephen D'Souza.
As usual, we’ll start by saying what the formula states – and then we’ll try and explain what the heck it all means. So, Maxwell-Faraday equation states how an electric current, or more specifically the electromotive force that drives an electrical current, can be induced by an adjacent magnetic field that changes with time. But, literally, and even more inscrutably, what the formula really states is that the curl of an electric field represented by an upside-down triangle multiplied by E is in the opposite direction to the change in magnetic flux over time – which is represented by a minus sign in front of dB over dt.
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