Physics Laws & Theorems
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Faraday Law of Induction

A changing magnetic flux induces an EMF.

Formula

ε=−dΦBdt\varepsilon = -\frac{d\Phi_B}{dt}

Variables

\Phi_BMagnetic flux
tTime

Example

Basis of generators

Did You Know?

Faraday's law of induction is the principle behind every electric generator and transformer on the grid.

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