problem29_28

problem29_28 - 29.28: a) d B dB 2 dB A r1 . dt dt dt 2 1 d...

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29.28: a) . 2 1 dt dB r dt dB A dt d B π = = Φ b) . 2 2 2 1 1 1 2 1 1 dt dB r dt dB r r dt d r E B = = Φ = c) All the flux is within r < R , so outside the solenoid . 2 2 2 1 2 2 2 2 2 dt dB r R dt dB r R dt d r E B = = Φ =
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d) e) At : 2 R r = . 4 ) 2 ( 2 2 dt dB R dt dB R dt d B π ε = = Φ = f) At . 2 dt dB R dt d R r B = Φ = = g) At . 2 2 dt dB R dt d R r B = Φ = = Note that the emf is independent of the distance
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problem29_28 - 29.28: a) d B dB 2 dB A r1 . dt dt dt 2 1 d...

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