Chapter 29_suggested_even_solutions

Chapter 29_suggested_even_solutions - (ii Magnetic Flux>...

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Chapter 29 – Suggested problems 6, 7, 9, 14, 16, 20, 32, 34, 56, 73 Solutions of even suggested problems (6) (a) ε = 0.0302 V + (3.02 x 10 -4 V/s 3 ) t 3 (b) ε = 0.068 V, I = 1.13 x 10 -4 A (14) Flux is constant, induced emf = 0 (16) Magnetic field outward through round coil and decreasing barb2right magnetic field due to induced current also point outward to oppose decrease barb2right induced current counterclockwise. (20) (a) 5.6 V (b) (i) F upward, F pushes current counter-clockwise direction (ii) Magnetic Flux > 0 increasing in magnitude
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Unformatted text preview: (ii) Magnetic Flux > 0 increasing in magnitude b ε < 0 b emf counter- clockwise. (iii) Magnetic flux increasing b induced current cause B out of paper to oppose increase b current flow counterclockwise. (c) I = 0.22 A (32) (a) E = 2.81 x 10-3 V/m (b) Induced I counter clockwise (34) i D = 21 x 10-6 A b t = 5s (56) (a) v = (10 m/s)(1-e-t/3.1 ) (b) I = 2.4 A, F = 2.88 N, a = 3.2 m/s 2 (c) v = 2 m/s , a = 2.6 m/s 2 (d) v = 10 m/s makes a = 0...
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