The current through a N = 175-turn coil with cross-sectional area, A = 0.0424 m², is decreasing at a steady rate. When the current drops from 5.43 A to 4.43 A over a period of 0.635 sec, the induced emf is 12.7 V. (a) What is the inductance of the coil? L = (b) Calculate the change in the energy density stored in the magnetic field of the coil. Aug H = MJ

The current through a N = 175-turn coil with cross-sectional area, A = 0.0424 m², is decreasing at a steady rate. When the current drops from 5.43 A to 4.43 A over a period of 0.635 sec, the induced emf is 12.7 V. (a) What is the inductance of the coil? L = (b) Calculate the change in the energy density stored in the magnetic field of the coil. Aug H = MJ

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter32: Faraday’s Law Of Induction

Section: Chapter Questions

Problem 45PQ

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