P31_004 - 4. (a) We use E = dB /dt = r2 dB/dt. For 0 < t <...

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4. (a) We use E = d Φ B /dt = πr 2 dB/dt .F o r0 <t< 2 . 0s: E = πr 2 dB dt = π (0 . 12 m) 2 µ 0 . 5T 2 . 0s = 1 . 1 × 10 2 V . (b) 2 . 0s <t< 4 . 0s: E∝ dB/dt =0 . (c) 4 . 0s <t< 6 . 0s:
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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