Faraday's Law

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Induced EMF magnitude equals rate of change of:

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Faraday's Law of Electromagnetic Induction states that the magnitude of the electromotive force (EMF) induced in a circuit is directly proportional to the time rate of change of the magnetic flux ($\Phi_B$) through the circuit.
$|E| = \left| \frac{d\Phi_B}{dt} ight|$
- Magnetic flux $\Phi_B = \vec{B} \cdot \vec{A} = BA \cos 	heta$.
- Changing $B$, $A$, or the orientation $	heta$ will induce an EMF.

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