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# tsl365 - Intermediate Exam III Problem#1(Spring ’07...

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Unformatted text preview: Intermediate Exam III: Problem #1 (Spring ’07) Consider a rectangular conducting loop in the xy-plane with a counterclockwise current I = 7 A in a uniform magnetic field ~ B = 3T ˆ i . (a) Find the magnetic moment ~μ (magnitude and direction) of the loop. (b) Find the force ~ F (magnitude and direction) acting on the side ab of the rectangle. (c) Find the torque ~ τ (magnitude and direction) acting on the loop. 5m 9m B I a b z y x tsl365 – p.1/3 Intermediate Exam III: Problem #1 (Spring ’07) Consider a rectangular conducting loop in the xy-plane with a counterclockwise current I = 7 A in a uniform magnetic field ~ B = 3T ˆ i . (a) Find the magnetic moment ~μ (magnitude and direction) of the loop. (b) Find the force ~ F (magnitude and direction) acting on the side ab of the rectangle. (c) Find the torque ~ τ (magnitude and direction) acting on the loop. 5m 9m B I a b z y x Solution: (a) ~μ = (7A)(45m 2 ) ˆ k = 315Am 2 ˆ k....
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tsl365 - Intermediate Exam III Problem#1(Spring ’07...

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