Magnetic lines of flux on a conductor
When a current flows through a conductor, it generates a magnetic field. The direction of the field is determined by the direction of the current flow. The diagrams below introduce the concept of current flow within a conductor (a dot for towards and a cross for away) and demonstrates the application of the right hand grip rule.
Questions on magnetic lines of flux on a conductor appear in the 2330-202, 2330-203, 2330-301 and the 2357-309 exams.
Current flowing away
Current flowing towards
Right hand grip rule
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Where would this theory be used?
There are many applications of this theory, one of the most common is used within induction motors.