# Faraday's Law of Induction

**Formula:** `E = -ΔΦB / Δt`

Faraday's Law of Induction, often referred to as Maxwell's Third Equation, states that the electromotive force (EMF) induced in a closed loop is proportional to the rate of change of the magnetic flux through the loop. In the formula, ** E** represents the induced electromotive force (EMF),

**represents the change in magnetic flux, and**

*ΔΦB***is the time interval over which this change occurs. The negative sign indicates the direction of the induced EMF is such that it opposes the change in magnetic flux, a concept known as Lenz's Law. This principle is fundamental in electromagnetic induction, which is the operating principle behind transformers, electric generators, and induction motors.**

*Δt*Tags: Electromagnetism, Faraday, Induction, Maxwell, Physics