Electromagnetism- faraday's law

Electromagnetism- faraday's law - Lecture 06: Faradays Law...

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Unformatted text preview: Lecture 06: Faradays Law (Knight: 33.5 to 33.7) B x . F F B U - = B = AI = Physics 113 Dr. Renat Letfullin 2 Today.. . Faradays Law in the terms of Flux Examples: Electromagnetic Induction in a Circular Loop Electromagnetic Induction in a Solenoid Movie: Electromagnetic Induction Physics 113 Dr. Renat Letfullin 3 Lentzs Law (1) Heinrich Friedrich Emil Lenz (1804-1865) In 1834, Heinrich Lenz announced a rule for determining the direction of an induced current, which has come to be known as Lenzs Law. Here is the statement of Lenzs Law: There is an induced current in a closed conducting loop if and only if the magnetic flux through the loop is changing. The direction of the induced current is such that the induced magnetic field always opposes the change in the flux. Physics 113 Dr. Renat Letfullin 4 Faradays Law m B dA BA Blx = = = m d d dx Blx Bl dt dt dt = = dx Blv Bl dt = = E m Therefore,...
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Electromagnetism- faraday's law - Lecture 06: Faradays Law...

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