
Concept explainers
During lab, you’re given a circular wire loop of resistance R and radius a with its plane perpendicular to a uniform magnetic field. You’re supposed to increase the field strength from B1 to B2 and measure the total charge that moves around the loop. Your lab partner claims that the details of how you vary the field will make a difference in the total charge; your hunch is that it won’t. By integrating the loop current over time, determine who’s right.

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Chapter 27 Solutions
Essential University Physics (3rd Edition)
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