Tertiary Catalogue
Manufacturing and Engineering
Resistance
The Characteristics of Electricity
This video explains how the dimensions, nature of material and temperature of a conductor affect its resistance.
Components of a Simple DC Circuit
The Characteristics of Electricity
This video identifies and describes the functions of each component in a simple DC circuit such as the battery, switch, load, fuse and wire.
Methods of Charging an Object
The Characteristics of Electricity
This video explains how charges can redistribute themselves through friction, conduction, induction and polarisation.
Static and Current Electricity
The Characteristics of Electricity
This video describes and explains the differences between static and current electricity. It also looks at static discharge, and how static charge builds up in a thundercloud.
Differences Between Conductors and Insulators
The Characteristics of Electricity
This video explains the differences between conductors and insulators.
Potential Difference
The Characteristics of Electricity
This video defines potential difference and explains how it is measured.
Ohm's Law
The Characteristics of Electricity
This video demonstrates how the electric current that passes through a conductor is directly proportional to the potential difference across its ends.