Transcription of 23 ELECTROMAGNETIC INDUCTION, AC CIRCUITS, AND …
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23 ELECTROMAGNETIC INDUCTION, AC CIRCUITS, AND …
23 ELECTROMAGNETIC INDUCTION, AC CIRCUITS, AND ELECTRICAL TECHNOLOGIESF igure wind turbine in the Thames Estuary in the UK is an example of induction at work. Wind pushes the blades of the turbine, spinning a shaft attached tomagnets. The magnets spin around a conductive coil, inducing an electric current in the coil, and eventually feeding the electrical grid. (credit: phault, Flickr)CHAPTER 23 | ELECTROMAGNETIC INDUCTION, AC CIRCUITS, AND ELECTRICAL TECHNOLOGIES813 Learning Induced Emf and Magnetic Flux Calculate the flux of a uniform magnetic field through a loop of arbitrary orientation. Describe methods to produce an electromotive force (emf) with a magnetic field or magnet and a loop of Faraday s Law of Induction: Lenz s Law Calculate emf, current, and magnetic fields using Faraday s Law. Explain the physical results of Lenz s Motional Emf Calculate emf, force, magnetic field, and work due to the motion of an object in a magnetic Eddy Currents and Magnetic Damping Explain the magnitude and direction of an induced eddy current, and the effect this will have on the object it is induced in.
23.12.RLC Series AC Circuits • Calculate the impedance, phase angle, resonant frequency, power, power factor, voltage, and/or current in a RLC series circuit. • Draw the circuit diagram for an RLC series circuit. • Explain the significance of the resonant frequency.
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