The Open Door Web Site
Electricity and Magnetism Chapters Index

Electricity and Magnetism Questions
"Proof" exercises

Static Electricity

Static Electric Charge
Electric Fields
Electric Field Shapes
Electric Potential (V)
Potential on the Surface of a Charged Conductor
Charge Density and Curvature of Surface
The Relation between Potential Difference and Electric Field Strength
Faraday's "Ice Pail" Experiment 
Faraday's "Ice Pail" Experiment continued

Electric Circuits

Intoduction to Electric Circuits
Electrical Conduction in Metals
Electric Current
The Relation between Current, Charge and Time
Voltage
Voltages in Series Circuits and Voltages across Components in Parallel

Resistance and Ohm's Law
Resistors in Series and in Parallel
Potential Dividers
Using Variable Resistors
Electro-magnetism
Electrical Power and Energy

The Internal Resistance of a Battery

Electromagnetism

Magnetic Fields

Measuring the Strength of a Magnetic Field
Force acting on a Charged Particle moving through a Magnetic Field
Flux Density due to Current Flowing in a Long, Straight Wire
Force per Unit Length between Two Long Parallel Conductors Carrying Current
Flux Density inside a Long Coil (Solenoid)
The Moving Coil Galvanometer
The Simple D.C. Electric Motor
The Motion of Charged Particles in Magnetic Fields

Electro-Magnetic Induction

Magnetic Flux
EMF Induced in a Conductor Moving through a Magnetic Field
The Laws of Electro-Magnetic Induction
Faraday’s Law of Electro-Magnetic Induction
Simple A.C. Generator
The Ideal Transformer
Transmission of Electrical Energy
Eddy Currents
The R.M.S. Value of an Alternating Current (or Voltage)

© David Hoult 2008