Basic Electricity

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Section one:
• The structure of matter
     Molecules
     Atom
     Protons & electrons
• Electrical Charges Law

Section two:
• Conductors & Insulators
• Basic Cable Construction
• Difference between Conductors & Insulators
• Copper as typical conductor material
• Positive Ions & Free Electrons
• Silicon Atom and Glass

Section three:
• Resistance Introduction
• What determines the resistance of a conductor
• Resistivity
• Value of Rho
• Rho for Copper and Aluminium
• Length
• The affects of conductor length on resistance
• Length measured in Metres
• Cross Sectional Area
• How C.S.A affects resistance. Formula for calculating C.S.A
• Calculating total resistance using all variables
• Alternative math
• Temperature
• Positive and Negative temperature coefficient

Section four:
• Electromotive Force & Current
• Description of e.m.f
• Potential Difference
• Voltage & Lightning

Section Five:
• Current Flow
• Coulomb
• Ampere
• I=current flow in Amperes
• Comparison of cable sizes

Section six:
• Ohm’s Law
• Formulae of Ohm’s Law & Triangle

Section seven:
• Effects of Current Flow
• Summary of components of electricity
• Introduction to the term circuit
• The Heating Effect
• Watts
• Wattage Formula
• Wattage Triangle
• Effects of overheating a cable
• Practical applications – Fuses and Lighting Sources
• The Chemical Effect
• Electrolysis used to breakdown water
• Practical application electro-plating
• The Magnetic Effects
• Direction of generated magnetic field
• Electromagnet demonstration

Section Eight:
• Conventional Current Flow
• Explanation of Conventional Current Flow as opposed to Actual Electron Flow