Electric Circuits

By the end of this lesson you can

A circuit is a complete loop
![Slide 3 of 14: A circuit is a complete loop]()
Current and potential difference
![Slide 4 of 14: Current and potential difference]()
Resistance and Ohm's law
![Slide 5 of 14: Resistance and Ohm's law]()
Worked example: a torch lamp
![Slide 6 of 14: Worked example: a torch lamp]()
Series circuits: one path
![Slide 7 of 14: Series circuits: one path]()
Parallel circuits: several paths
![Slide 8 of 14: Parallel circuits: several paths]()
Series vs parallel at a glance
![Slide 9 of 14: Series vs parallel at a glance]()
Worked example: two 6 Ω resistors, 6 V battery
![Slide 10 of 14: Worked example: two 6 Ω resistors, 6 V battery]()
Why homes are wired in parallel
![Slide 11 of 14: Why homes are wired in parallel]()
Series and parallel on one page
![Slide 12 of 14: Series and parallel on one page]()
Quick check
![Slide 13 of 14: Quick check]()
Key takeaways
![Slide 14 of 14: Key takeaways]()