A long solenoid with a circular cross section has n turns per unit length and radius R. The current in its windings increases at a constant rate such that d = B. Find the magnitude of the induced electric field ata distance r outside the solenoid. (r > R) Anir O a. 2xR Ob. O c. Od. HnBR Oe.

University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
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Chapter13: Electromagnetic Induction
Section: Chapter Questions
Problem 72AP: A long solenoid of radius a with n turns per unit length is carrying a time-dependent current...
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A long solenoid with a circular cross section has n turns per unit length and radius R. The current in its windings increases at a constant rate such that = B. Find the magnitude of the induced electric field at a distance r
outside the solenoid. (r > R)
a.
HorB
HyTBR
e.
2r
O O o O •
Transcribed Image Text:A long solenoid with a circular cross section has n turns per unit length and radius R. The current in its windings increases at a constant rate such that = B. Find the magnitude of the induced electric field at a distance r outside the solenoid. (r > R) a. HorB HyTBR e. 2r O O o O •
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