Chapter 18: Circuits and Circuit Elements

Circuits

A deeper discussion of circuit diagrams and symbols.

http://www.physicsclassroom.com/Class/circuits/u9l4a.cfm

A virtual circuit construction kit applet that includes AC and DC voltage sources.

http://phet.colorado.edu/en/simulation/circuit-construction-kit-ac

Build and test a simple circuit without soldering in this mini-project.

http://www.sciencebuddies.org/science-fair-projects/project_ideas/Elec_primer-simplecircuit.shtml

http://www.sciencebuddies.org/science-fair-projects/project_ideas/Elec_primer-simplecircuit.shtml

Use these instructions to build a light bulb.

http://invention.smithsonian.org/centerpieces/edison/000_lightbulb_01.asp

http://invention.smithsonian.org/centerpieces/edison/000_lightbulb_01.asp

This video describes how to make a light bulb from a pencil, among other components.

http://revision3.com/scientifictuesdays/pencil.

 

Complex Circuits

This article describes the development of “epidermal electronics” which allows flexible, miniature semiconductor circuits to be attached to the skin like a temporary tattoo.

http://www.popsci.com/science/article/2011-08/epidermal-electronics-paste-peelable-circuitry-your-skin-just-temporary-tattoo

This page links to an activity involving circuits and the application of Ohm’s law.

http://www.nasa.gov/audience/foreducators/mathandscience/controlcenter/Prob_ShortCircuit_detail.html

http://www.nasa.gov/audience/foreducators/mathandscience/controlcenter/Prob_ShortCircuit_detail.html

 

Complex Resistor Combinations

This page is devoted to resistor combinations and includes several sets of questions to test your knowledge.

http://www.facstaff.bucknell.edu/mastascu/elessonshtml/Resist/Resist2.html

http://www.facstaff.bucknell.edu/mastascu/elessonshtml/Resist/Resist2.html

Here, you will find further explanation of why decorative lights in a series – such as Christmas tree lights — remain lit if one burns out but will all go out if one is removed.

http://scienceblogs.com/dotphysics/2008/12/christmas-tree-lights-surprisingly-cool.php

http://scienceblogs.com/dotphysics/2008/12/christmas-tree-lights-surprisingly-cool.php