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Introductory Physics Homework Help
Faraday's and Lenz's Law - square coil
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[QUOTE="cseil, post: 5004825, member: 533191"] [h2]Homework Statement [/h2] A square coil rotates around an axis passing through the center. It is inside a magnetic field of B= 0.6T uniform and constant. The side of the coil is a = 2cm, the resistance R is 0.1 ohm. The coil is powered by a generator that gives an emf = 0.2 + 0.24sin(ωt). The current during the motion of the coil is constant. Calculate i and ω. [h2]The Attempt at a Solution[/h2] The induced emf is [itex]\epsilon_i = Ba^2\omega sin(\omega t) [/itex]. I can't understand how to go on with the problem. I cannot understand why the current stays constant if both the intial emf and the induced emf changes as sin(ωt). Could you help me please? Thank you [/QUOTE]
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Introductory Physics Homework Help
Faraday's and Lenz's Law - square coil
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