General Physics (Calculus-Based), Volume 2 · 免费预览
9.5 电能与功率
许多人将功率与电联系在一起。可能会想到输电线路。我们也会从功率的角度来考虑灯泡……
1. Overview
Overview
2. Power in Electric Circuits
Power in Electric Circuits
3. The Cost of Electricity
The Cost of Electricity
4. Comparison of Incandescent Light Bulbs, CFL Light Bulbs, and LEDs
Comparison of Incandescent Light Bulbs, CFL Light Bulbs, and LEDs
5. Summary of Relationships
Summary of Relationships
6. Check Your Understanding
Check Your Understanding