Laboratoire

Emergency DC Power supply

An interactive resistor, lamp, battery and power source circuit built in the DCACLab online simulator by Farhan Sheikh.

Preview of Emergency DC Power supply
Open in the lab Embed The simulation runs as a demo that pauses after two minutes; open it in the lab to keep going.

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What's inside

  • 1× Battery
  • 1× Power Source
  • 1× Resistor (49.9 Ω)
  • 1× Switch
  • 1× Relay
  • 2× Lamp

Tags

Relay Power Source Resistor Battery Switch Lamp

About

By Farhan Sheikh
Saved July 24, 2019 · updated January 15, 2026
2,286 views
Page: dcaclab.com/circuits/15327-emergency-dc-power-supply

Embed this circuit

<iframe src="https://dcaclab.com/experiments/15327-emergency-dc-power-supply/iframe" width="560" height="410" frameborder="0"></iframe>

Cite: Sheikh, F. (2019). Emergency DC Power supply. DCACLab. https://dcaclab.com/circuits/15327-emergency-dc-power-supply

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