We can better understand or describe a "moving magnet" or a "changing magnetic field" in terms of magnetic flux. We define the magnetic flux as
You might think of the "air flux" as air blows through a window. The size of the window (A), the speed of the air (B) and the direction (theta) all determine how much air comes through the window.
(c) Doug Davis, 2003; all rights reserved
Return to Ch 21, Electromagnetic Induction
