Series And Parallel Lights - Two Bulbs
To demonstrate the effect of series and parallel connections of two identical light bulbs.
Two 25 watt light bulbs mounted on box with switch.
Two light bulbs can be wired in series or in parallel across 110 VAC circuit. Turn on switch to activate light bulbs after setting patch wires.
Robert A. Morse, "Feeling" Series and Parallel Resistances, TPT 31, 347 (1993). ◙Walter R. Steiger and Suk R. Hwang, Trick of the Trade: A Series-Parallel Demonstration, TPT 33, 590 (1995).