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Unformatted text preview: 2Ωresistor: I = 12V 4Ω = 3A . (b) No current through capacitor: I = 12V 6Ω = 2A . tsl353 – p.3/4 Intermediate Exam II: Problem #4 (Spring ’06) A current loop in the form of a right triangle is placed in a uniform magnetic field of magnitude B = 30 mT as shown. The current in the loop is I = 0 . 4 A in the direction indicated. (a) Find magnitude and direction of the force ~ F 1 on side 1 of the triangle. (b) Find magnitude and direction of the force ~ F 2 on side 2 of the triangle. 20cm 20cm 3 1 2 B Solution: (a) ~ F 1 = I ~ L × ~ B = 0 (angle between ~ L and ~ B is 180 ◦ ). (b) F 2 = ILB = (0 . 4A)(0 . 2m)(30 × 103 T) = 2 . 4 × 103 N . Direction of ~ F 2 : ⊗ (into plane). tsl354 – p.4/4...
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 Fall '07
 Dr.steryl
 Charge, Magnetic Field, Electric charge, Intermediate Exam

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