Series And Parallel Lights - Two Bulbs

Purpose

To demonstrate the effect of series and parallel connections of two identical light bulbs.
 

Equipment

Two 25 watt light bulbs mounted on box with switch.

 

Images

k6-01

Description

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.
 

References

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).