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6. In a standard lecture demonstration, a loop of wire, with radius a and resistance R, levitates over a magnetic-field producing coil. loop of wire i = i, cos ot Assuming the B field is uniform and vertical in the vicinity of the loop, and has mag- nitude given by |B| = Bo cos wt, find the current in the loop, ignoring self-inductance. Find the magnitude of the magnetic force. Can you explain why the loop stays up? 7. In the preceding problems it was stated that self-inductance was to be ignored. How would the solutions be modified if self-inductance were not ignored?

6. In a standard lecture demonstration, a loop of wire, with radius a and resistance R, levitates over a magnetic-field producing coil. loop of wire i = i, cos ot Assuming the B field is uniform and vertical in the vicinity of the loop, and has mag- nitude given by |B| = Bo cos wt, find the current in the loop, ignoring self-inductance. Find the magnitude of the magnetic force. Can you explain why the loop stays up? 7. In the preceding problems it was stated that self-inductance was to be ignored. How would the solutions be modified if self-inductance were not ignored?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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6. In a standard lecture demonstration, a loop of wire, with radius a and resistance R, levitates over a magnetic-field producing coil. loop of wire i = i, cos ot Assuming the B field is uniform and vertical in the vicinity of the loop, and has mag- nitude given by |B| = Bo cos wt, find the current in the loop, ignoring self-inductance. Find the magnitude of the magnetic force. Can you explain why the loop stays up? 7. In the preceding problems it was stated that self-inductance was to be ignored. How would the solutions be modified if self-inductance were not ignored?
Transcribed Image Text:6. In a standard lecture demonstration, a loop of wire, with radius a and resistance R, levitates over a magnetic-field producing coil. loop of wire i = i, cos ot Assuming the B field is uniform and vertical in the vicinity of the loop, and has mag- nitude given by |B| = Bo cos wt, find the current in the loop, ignoring self-inductance. Find the magnitude of the magnetic force. Can you explain why the loop stays up? 7. In the preceding problems it was stated that self-inductance was to be ignored. How would the solutions be modified if self-inductance were not ignored?
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