OUTCOME
By the end of the lesson you will recognise and be able to describe the field created in a current carrying wire. You will be able to apply this to creating an electromagnet.
When a current passes through a wire a magnetic field is created.
The field direction is determined by the right hand grip rule
LEARNING TASKS
Explain
1. Explain the effect of current in a wire
2. Explain the right hand grip rule
3. Explain how you can use the grip rule to determine the North on a solenoid - link
Explore and Elaborate
Evaluate
Try these questions
Qs 8-10
Reading for next class
pp. 249 -251