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Faraday’s Law Induction

Chapters 31 & 32 Faraday s Law Induction Michael Faraday Great experimental physicist 1791 1867 Contributions to early electricity include: Invention of motor, generator, and transformer Electromagnetic Induction Laws of electrolysis A constant current produces a magnetic field. Does a constant magnetic field produce a current? Let s try an Ec6: Electromagnetic Induction Moving a permanent magnet inside a coil of wire induces an emf which then drives a current through the circuit. EMF Produced by a Changing magnetic Field, 1 A loop of wire is connected to a sensitive ammeter When a magnet is moved toward the loop, the ammeter deflects The direction was chosen to be toward the right arbitrarily EMF Produced by a Changing Mag

magnetic field – i.e. the change in the slope of the graph. The magnitude of the slope is largest at c. Points d and e are on a straight line, so the slope is the same at each point. ... placed around the iron core of an inductor are repelled upwards when a conductor is

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