A coil has self-inductance of 50 μH and a resistance of 3.5 Ω. It is then connected to a 9.0-V battery with an internal resistance of 0.25 Ω. What is the total magnetic energy stored in the coil when steady-state current is reached?

University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
Publisher:OpenStax
Chapter14: Inductance
Section: Chapter Questions
Problem 50P: A coil with a self-inductance of 3.0 H and a resistance of 100 2 carries a steady current of 2.0 A....
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A coil has self-inductance of 50 μH and a resistance of 3.5 Ω. It is then connected to a 9.0-V battery with an internal resistance of 0.25 Ω. What is the total magnetic energy stored in the coil when steady-state current is reached?

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