By describing the motion of a charged particle in the well-known nonuniform field of a current-carrying long straight wire, a variety of teaching/learning opportunities are described.
Brief review of a standard problem
Vector analysis
Dimensionless variables
Coupled differential equations
Numerical solutions
References
1.
2.
R. D.
Knight
, Physics
, 3rd ed. (Pearson/Addison-Wesley
, San Francisco, CA
, 2008
), Chap. 33.3.
D. J.
Griffiths
, Introduction To Electrodynamics
, 3rd ed. (Prentice Hall
, New Jersey
, 1999
), Chap. 5.4.
M. Kaan
Öztürk
, “Trajectories of charged particles trapped in Earth's magnetic field
,” Am. J. Phys.
80
, 420
–428
(May 2012
). 5.
© 2015 American Association of Physics Teachers.
2015
American Association of Physics Teachers
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