A light bulb is an example of a resistor. It converts electrical potential energy into light (and heat!).

Pass your mouse over the links on your left. A more detailed description of the linked page will appear in this box.

When you have found the page you want, click on the yellowed link OR click on the icon at top left.

At any point, you can return to this page by clicking the "Resistors" button on the linked pages.