The document discusses various topics related to electrical power including: 1) How power is calculated by multiplying voltage by current and is measured in watts. An example is given of calculating the power of a light bulb. 2) How energy is calculated by multiplying power by time and is measured in kilowatt hours. An example is provided of calculating the energy usage of an electric water heater. 3) Safety issues like short circuits, electrical shocks, grounding, fuses, and circuit breakers which protect against too much current and can be reset.

1. Electrical Power Page 67

11. Electromagnetism 81

15. 84