Simple but impractical demo of series relays, parallel fan/light, and variable resister(potentiomter)

An interactive resistor, potentiometer, relay and lamp circuit built in the DCACLab online simulator by Tim Grey.

What's inside

1× Battery
1× Resistor (4.98 Ω)
1× Switch
4× Relay
2× Lamp
1× Potentiometer
1× Fan
Measured with Multimeter

Tags

Fan Resistor Multimeter Potentiometer Relay Lamp Battery Switch

About

By Tim Grey
Saved December 06, 2017 · updated January 15, 2026
2,338 views

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Tags: Fan Resistor Multimeter Potentiometer Relay Lamp Battery Switch