정답
$\mathcal{E} = -\frac{d\Phi_B}{dt}$, where the negative sign represents Lenz's law.
해설
The induced electromotive force produces a current whose magnetic field opposes the original change in magnetic flux through the circuit.
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$\mathcal{E} = -\frac{d\Phi_B}{dt}$, where the negative sign represents Lenz's law.
The induced electromotive force produces a current whose magnetic field opposes the original change in magnetic flux through the circuit.