Consider the brain tissue at the level of the dashed line
Chapter 29, Problem 29.72(choose chapter or problem)
Consider the brain tissue at the level of the dashed line to be a series of concentric circles, each behaving independently of the others. Where will the induced emf be the greatest? (a) At the center of the dashed line; (b) at the periphery of the dashed line; (c) nowhereit will be the same in all concentric circles; (d) at the center while the stimulating current increases, at the periphery while the current decreases.
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