Physics 1402A/B Lecture 8: Lecture 8 Notes - Special Cases of Faraday's Law
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30 Dec 2018
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Lecture 8 notes - special cases of faraday"s law. Use faraday"s law to compute the induced emf and electric field in a coil, which is in a magnetic field. Use lenz"s law to find the direction of the induced current. Well we explored what would happen if the field changed, and we explored what would happen if the area changed. We also inferred what would happen if they both changed. There is one possibility that we are omitting however. Recall that is the angle between the normal of the area and the field lines of the field. So that will have an effect on this principle. And if the other things are constant we can solve like so. Notice that ab are constants thus they are pulled out. Using ohm"s law we can eventually get current with. Thus, connecting to math we see that wba / r is just a transformation on the sine curve.
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