PHYS208 Fundamentals of Physics II

Hint for Ch. 30, 26P

Consider an infinitesimal section of the ribbon of thickness dx located a distance x from the point of evaluation P; the contribution to dB is upwards for each infinitesimal section. Integrate from d to d+w to pick up each contribution dB.

Last updated Oct. 26, 1997.
Copyright George Watson, Univ. of Delaware, 1997.