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Electromagnetic Induction and Faraday’s Law.

Electromagnetic Induction and Faraday’s Law. Induced EMF. Induced EMF is produced by a changing of magnetic field. Induced EMF is proportional to the rate of change of the magnetic flux, F B. Units of Magnetic Flux. 1 weber (1 Wb) = 1 T m 2. Faraday’s Law of Induction.

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Electromagnetic Induction and Faraday’s Law.

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  1. Electromagnetic Induction and Faraday’s Law.

  2. Induced EMF

  3. Induced EMF is produced by a changing of magnetic field.

  4. Induced EMF is proportional to the rate of change of the magnetic flux, FB

  5. Units of Magnetic Flux 1 weber (1 Wb) = 1 T m2

  6. Faraday’s Law of Induction If the flux through N loops of wire changes by the amount of DFB during time Dt, the average induced emf during this time is:

  7. Lenz’s Law An induced emf always creates a current whose magnetic field opposes the original change in flux.

  8. Different Examples

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