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This DC to AC to DC Efficiency lesson plan also includes:
The power to learn about AC and DC power lies within everyone. The fifth of seven installments in the Off the Grid unit continues the investigation of the efficiency of a USB charger. Individuals use an inverter that converts DC power to AC and then back to DC.
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CCSS:
Designed
Concepts
Instructional Ideas
- Have the class compare efficiencies for different chargers
Classroom Considerations
- Assumes the use of science journals
- Experiment requires a variety of materials and equipment; see resource for complete list
Pros
- Gives some questions for a discussion session
- Provides examples of data recording tables
Cons
- No student worksheet