We can see how circuits work, and represent them with some simple ... A model, such as a central heating system in a house, can make it easier to understand a circuit. the water flow is like ...

For electricity to flow ... are part of a circuit controlled by the consumer unit, where power enters the house. We can see how circuits work, and represent them with some simple diagrams ...

a free circuit simulation program. Using voltage to model temperature and current to model heat flow, he’s set up a model for his home to compare the behavior of a heat pump and a propane furnace.