ch30-p010 - 10. Fig. 30-43(b) demonstrates that dB / dt...

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10. Fig. 30-43(b) demonstrates that / dB dt (the slope of that line) is 0.003 T/s. Thus, in absolute value, Faraday’s law becomes () B d dBA dB A dt dt dt ε Φ =− where A = 8 × 10 4 m 2 . We related the induced emf to resistance and current using Ohm’s law. The current is estimated from Fig. 30-43(c) to be
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