3-ELE-07
From MrReid.org Wiki
Contents
Outcomes
- Pupils can ...
- Pupils can ...
Specification References
2.6 recall and use the relationship, power = current x voltage, P=IV and apply the relationship to the selection of appropriate fuses
Starter
Reminder from previous lesson that Power = IV. A couple of calculations done in there rough books to get students using the equation again and to check any who are struggling with this. Light bulbs have power ratings eg 100W, 40W. What does this mean?
Question: Does a 100W bulb always give out power of 100W?
Main Body of Lesson
- Power output of a bulb
Plenary
Homework
Additional Information
Resources Required
Textbook References
Website References
Skills Addressed
Observation and recording of results. Graph plotting.