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# Problem: How is an EMF induced in a coil? Is this a correct explanation of induced emf and Lenz's Law?

###### FREE Expert Solution

An EMF is induced in a coil by changing magnetic flux with respect to time. According to faradays law:

Induced emf:

$\overline{){\mathbf{\epsilon }}{\mathbf{=}}{\mathbf{-}}\frac{\mathbf{d}{\mathbf{\varphi }}_{\mathbf{B}}}{\mathbf{d}\mathbf{t}}}$

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###### Problem Details

How is an EMF induced in a coil? Is this a correct explanation of induced emf and Lenz's Law?

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