A toroid (Fig. 28-17) has a 50.0-cm inner diameter and
Chapter 28, Problem 28.28(choose chapter or problem)
A toroid (Fig. 28-17) has a 50.0-cm inner diameter and a54.0-cm outer diameter. It carries a 25.0 A current in its687 coils. Determine the range of values for B inside the toroid
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