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Basic Idea:

• Check a resistor, incandescent bulb, and neon bulb for compliance with Ohm's law.

• 6

	What:	How Many:	Where:
	75 Ω (brown) or 68 Ω (light blue/green) resistor	1	non-Majors storeroom, shelf L4
	Neon bulb	1	non-Majors storeroom, shelf L2
	40 Watt AC bulb	1	non-Majors storeroom, shelf M3
	Blue Variac	1	non-Majors storeroom, shelf L6
	Widow maker	1	non-Majors storeroom, shelf L6
	Wire – 24"	4 (2 red, 2 black)	104 Lab
	Wire – 12"	1 (red or black)	104 Lab
	AC bulb socket mounted, with banana plugs	2	non-Majors storeroom, shelf L3
	Digital multimeter	2	Majors storeroom, shelf A3

Computers Needed?

• No.

• Screw bulbs into sockets; leave all other components for students to assemble.

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• Lab setup (see this page for photo details):

  

©	St. Lawrence University	Department of Physics

Revised: 03 Mar 2006

Canton, NY 13617