PhysicsChapter 10: Electromagnetism
Generator (right)
Introduction
This topic focuses on Fleming's Right-Hand Rule, used to determine the direction of induced current in a generator. A generator converts: mechanical energy → electrical energy
Definition
Fleming's Right-Hand Rule
Hold the thumb, first finger and second finger of the right hand mutually perpendicular. Thumb → motion of conductor. First finger → magnetic field. Second finger → induced current.
Generator Principle
Moving a conductor through a magnetic field changes magnetic flux linkage and induces e.m.f.
Comparison with Motor Rule
Motor → **left hand. Generator → right hand**. This distinction is especially important in exams.
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RIGHT HAND
Motion – Field – Current
GENERATOR
- Mechanical → Electrical