OUTCOME
By the end of these lessons you will be able to the explain the concepts of resistance, resistivity and resistors and Ohm’s Law.
Engage
Resistance is a measure of how some materials can slow the flow of current. It is measured in Ohms.
The resistance of a wire is dependent on several factors
LEARNING TASKS
Engage
Elaborate and Evaluate
Try Qs 25 - 27
Next lesson's reading
p.62 - 65
Activity: PhET Resistance in a wire
Activity: PhET Resistor circuit