(b) A coil has an inductance of 53 mH and a resistance of 0.35 2. (i) What is the inductive time constant of the coil? (ii) If a 12 V emf is applied across the coil, how much energy is stored in the magnetic field after the current has built up to its equilibrium value? (iii)After how many time constants will half this equilibrium energy be stored in the magnetic field?

(b) A coil has an inductance of 53 mH and a resistance of 0.35 2. (i) What is the inductive time constant of the coil? (ii) If a 12 V emf is applied across the coil, how much energy is stored in the magnetic field after the current has built up to its equilibrium value? (iii)After how many time constants will half this equilibrium energy be stored in the magnetic field?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter14: Inductance

Section: Chapter Questions

Problem 62P: A 5000-pF capacitor is charged to 100 V and then quickly connected to an 80-mH inductor. Determine...

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