Draw your own electrical circuit with this Demonstration.
First, select a component and then click the "Add" button. To move an object, click its far edges and drag it. To rotate an image, click nearer to its center and spin it to the desired angle.
The "Undo" button deletes the last component added.
To draw a wire, a line appears with locators at both ends that you can drag anywhere.
closed switch closed
AC voltage source
a point for joined wires
arrow to show the direction of the current