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Sketch b as a funcaon of r a i x conceptual analysis

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Unformatted text preview: agnitude of the constant field inside the solenoid! n = # turns/length Electricity & Magne/sm Lecture 15, Slide 17 Example Problem y An infinitely long cylindrical shell with inner radius a and outer radius b carries a uniformly distributed current I out of the screen. Sketch |B| as a funcAon of r. a I x Conceptual Analysis Complete cylindrical symmetry (can only depend on r) ⇒ can use Ampere’s law to calculate B B field can only be clockwise, counterclockwise or zero! b For circular path concentric with shell. Strategic Analysis Calculate B for the three regions sepa...
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