Two ideal solenoids of radii R and 4R, respectively, have n turns per meter, and each carries a current of I. Both currents flow in the same direction. The small-radius solenoid is placed inside the large-radius solenoid so that their axes of symmetry are parallel and separated by a distance d = 2R. Neglecting any magnetic screening effects, express the magnetic field strength on the axis of the small-radius solenoid analytically in terms of the quantities given and the magnetic permeability of a vacuum, µo. B =

Two ideal solenoids of radii R and 4R, respectively, have n turns per meter, and each carries a current of I. Both currents flow in the same direction. The small-radius solenoid is placed inside the large-radius solenoid so that their axes of symmetry are parallel and separated by a distance d = 2R. Neglecting any magnetic screening effects, express the magnetic field strength on the axis of the small-radius solenoid analytically in terms of the quantities given and the magnetic permeability of a vacuum, µo. B =

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter14: Inductance

Section: Chapter Questions

Problem 74AP: Two long, parallel wires cy equal currents in opposite directions. The radius of each wire is a, and...

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