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Magnetic Field Principles (Ampere's Law (Current Moving in SAME…
Magnetic Field Principles
Ampere's Law
Current Moving in SAME direction ATTRACTS
Current moving in DIFFERENT direction REPELS
STRONGER current produces STRONGER magnetic field
Faraday's Law
Number of coils directly proportional to current produced
Principle behind transformers
2nd Newton's Law of Rotation
A magnetic field will induce voltage in a wire if the wire is moved within the magnetic field.
Principle behind transformers
Lorentz's Force
Magnetic field exerts force on a wire that has current running through it
Principle behind motors
Definition
Energy converted from one type to another
Generators
Motors
Magnetic circuit
Used in most electrical machines
Right hand rule applies to all MC's
Effective current flow applied to core
