problem27_46

problem27_46 - ˆ j ˆ 27.46: a) φ = 90° : τ = NIAB sin...

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Unformatted text preview: ˆ j ˆ 27.46: a) φ = 90° : τ = NIAB sin (90°) = NIAB, direction : k × ˆ = − i , U = − NµB cos φ = 0. b)  φ = 0 : τ = NIAB sin (0) = 0, no direction, U = − NµB cosφ = − NIAB. ˆ j ˆ c)  φ = 90° : τ = NIAB sin(90°) = NIAB, direction : − k × ˆ = i , U = − NµB cos φ = 0. d)  φ = 180° : τ = NIAB sin(180°) = 0, no direction, U = − NµB cos(180°) = NIAB.   ...
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