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Introductory Physics Homework Help
EMF induced in a wire loop rotating in a magnetic field
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[QUOTE="LCSphysicist, post: 6641982, member: 675151"] [B]Homework Statement:[/B] . [B]Relevant Equations:[/B] . [ATTACH type="full"]302787[/ATTACH] To solve this problem, we need to evaluate the following integral: $$\epsilon = \int_{P}^{C} (\vec v \times \vec B) \vec dl$$ The main problem is, in fact, how do we arrive at it! I can't see why a Electric field arises at the configuration here. The magnetic field of the rotating sphere is time independent ##(\frac{ d \omega }{dt}) = 0##. The magnetic dipole at the center is also time independent. So why do a electric field arise? Worst: Why do it arise and is equal to ##\vec v \times \vec B##? [/QUOTE]
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EMF induced in a wire loop rotating in a magnetic field
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