At a certain instant, a coil with a resistance of 0.40 fi and a self-inductance of 200 mH carries a current of 0.30 A that is increasing at the rate of 0.50 A/s. (a) What is the potential difference across the coil at that instant? (h) Repeat if the current is decreasing at 0.50 A/s.![]() |
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