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23.10 Exercise 9

Avg difficulty 2.5

(a) Use the exact exponential treatment to find how much time is required to bring the current through an 80.0 mH inductor in series with a 15.0 Ω \text{15}.\text{0 }\Omega resistor to 99.0% of its final value, starting from zero. (b) Compare your answer to the approximate treatment using integral numbers of τ\tau. (c) Discuss how significant the difference is.

OpenStax College Physics 2e, 23.10 RL Circuits, exercise 9

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.