C31 - Faraday's Law

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5 Terms

1

Faraday’s law

  • loops: ε = -(dΦB/dt)(N)

2

motional emf

ε = -BLv

  • emf induced by movement through a uniform magnetic field

3

Lenz’s Law

The current induced by a magnetic field acts opposite in direction to the initial field / ∆ΦB

  • conservation of energy

4

Faraday’s law (general form)

  • E = induced (nonconservative) electric field

5

eddy currents

Lenz’s law applied to conductive surfaces, where loops of currents causes internal energy losses

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