Created by StemPy LabAn inductor stores J when a current of A flows in it. The current is then reduced to A. How much energy does the inductor store now?
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← A coil of 480 turns carries a current of 0.22 A. The flux through each turn is then 26 µWb. What is the self-inductance of the coil?Two coils have a mutual inductance of 18 mH. The current in the first coil falls steadily from 4.1 A to 1.9 A in 3.0 ms. What is the average emf in the second coil? →
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