Answer :
Final answer:
The importance of light-sensitive devices and selecting energy-efficient light sources for reducing electricity consumption.
Explanation:
Light-sensitive devices are essential for various applications:
- Automatic outdoor lighting: to turn on lights at night
- Solar panels: to adjust for optimum light exposure
- Security systems: to detect intruders by changes in light
- Greenhouses: to regulate light for plant growth
When trying to reduce electricity consumption, choosing energy-efficient LED light sources would be ideal due to their low energy usage and long lifespan.
Learn more about Light-sensitive devices and energy-efficient light sources here:
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