Fleming's right-hand rule
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- The Thumb represents the direction of Motion of the conductor.
- The First finger represents the direction of the Field. (north to south)
- The Second finger represents the direction of the induced or generated Current (the direction of the induced current will be the direction of conventional current; from positive to negative).
- One particular way of remembering the rule is the "FBI" acronym for Force (or otherwise motion), B as the magnetic field sign and I as the current. The subsequent letters correspond to subsequent fingers, counting from the top. Thumb -> F; First finger -> B; Second finger -> I
- There is also a Fleming's left hand rule (for electric motors). The appropriately handed rule can be recalled from the letter "g", which is in "right" and "generator".