Faraday's law

noun

: either of two laws in physics:

a

: the mass of any substance deposited or dissolved by electrolysis is proportional to the product of the equivalent weight of the substance multiplied by the quantity of electricity passed during the reaction

b

: the electromotive force induced in a circuit by variation of the magnetic flux through the circuit is proportional to the negative of the time rate of change of the magnetic linkage

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