30. Induction and Inductance
Lenz's Law
11:44 minutes
Problem 29d
Textbook Question
Textbook QuestionUsing Lenz's law, determine the direction of the current in resistor ab of Fig. E29.19 when (a) switch S is opened after having been closed for several minutes; (b) coil B is brought closer to coil A with the switch closed; (c) the resistance of R is decreased while the switch remains closed.
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