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The Motor Effect, Electromagnetic Induction, Applications of The Motor…
The Motor Effect
Interaction between Two Parallel Current-carrying Wires
Forces between Two Parallel Conductors
Determining the magnitude of the Force between Two Parallel Conductors
Determining the Magnitude of the Force between Two Parallel Conductors
The Motor Effect
The Right-hand Push Rule
Factors affecting the Magnitude of the Force
Magnetic Fields
Current-carrying Conductors and Magnetic Fields
SI Definition for Electrical Current; The Ampere and Newton's Third Law of Motion
Electromagnetic Induction
Electromagnetic Induction
Discoveries of Michael Faraday
Inducing a Current
Magnetic Flux
Generating a Potential Difference
Faraday's Law of Induction
Rotating Coils in Uniform Magnetic Fields
Lenz's Law
Using Lenz's Law
Eddy Currents
Charged Particles Moving in Magnetic Fields
Magnetic Fields and Eddy Currents
Eddy Currents in Switching Devices
Transformers
The Operation of Ideal Transformers
Transformers and The Principle of Conservation of Energy
Limitations of Ideal Transformer Model
Reducing Heat Losses due to Eddy Currents
Applications of Step-Up and Step-Down Transformers
Energy Distribution
High-voltage Transmission Lines
Using Transformers to Reduce Power Loss
NSW Electrical Distribution System
Applications of The Motor Effect
Simple DC Electric Motors
Function of the Components
Changing the Speed of a DC Motor
Calculating the Torque of a Coil in a DC Motor
Torque
Production of Torque
Lenz's Law and The Production of Back EMF in Motors
Lenz's Law
Generators
Operation of a Generator
AC Generator
Which Way will the Current Flow?
DC Generators
Electric Power Generating Stations
Domestic and Industrial Generators
AC Induction Motors
Main Features of an AC Motor
The Universal Motor
AC Induction Motor