Answered: hat is the magnetic flux Φ1(t) through…

Stars and Galaxies (MindTap Course List)

10th Edition

ISBN:9781337399944

Author:Michael A. Seeds

Publisher:Michael A. Seeds

Chapter8: The Sun

Section: Chapter Questions

Problem 28RQ

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(a) Suppose that the current in the solenoid is I(t). Within the solenoid, but far from its ends, what is the magnetic field B(t)) due to this current?

(b) What is the magnetic flux Φ1(t) through a single turn of the solenoid?

(c) Suppose that the current varies with time, so that dI(t)/dt≠0. Find the electromotive force EMF induced across the entire solenoid due to the change in current through the entire solenoid.

(d) The self-inductance L is related to the self-induced EMF E(t) by the equation E(t)=−LdI(t)/dt. Find L for a long solenoid. (Hint: The self-inductance L will always be a positive quantity.)

B
A
R
Air-Core Solenoid
lell
A
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Schematic Symbol

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