P=VI

Calculating electrical power

Going back to the circuit we started with, you can see that the electrical power is calculated by multiplying together the...

Physics Narrative 11-14

Students may need to be reminded of the idea that power is the rate of doing work (or the rate at which energy is transferred)...

Lesson 16-19

In this episode, students find that the energy transferred by an electrical component depends on the potential difference...

Lesson 16-19

In this episode, students develop their competence in using the equations for power and energy, in an electrical context.

Lesson 16-19