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== Activities ==
* Using the continuity setting on your multimeter, determine which is your Normally Open (N.O.) and which is your Normally Closed (N.C.) pushbutton switch. Building a simple switch and light bulb circuit, test out how each one behaves(i.e. directly experience it for yourself):
[[Image:SPST_circuit.png | 300px]]
* With the ridiculous knife switches available in class, build a simple "selector switch" that turns on one of two bulbs: