NCIDQ IDFX Practice Exam

Which of the following is a major advantage of LED lights?

1. Lower brightness

2. Short lifespan

3. Low power consumption

4. High temperature generation

The correct answer is: Low power consumption

One of the major advantages of LED lights is their low power consumption. LEDs are designed to be highly efficient, converting a larger portion of energy into light, which results in significantly reduced energy usage compared to traditional incandescent or fluorescent lighting. This efficiency not only lowers electricity costs for consumers but also reduces the environmental impact associated with energy production. Additionally, since they require less energy, using LEDs can contribute to a smaller carbon footprint. Their low power consumption is particularly beneficial in applications where lighting is needed for extended periods or in locations that require sustainable energy solutions. In contrast, the other choices present characteristics that do not align with the advantages of LED lighting. Lower brightness isn't a benefit associated with LEDs, as they can produce a range of brightness levels suitable for various applications. A short lifespan contradicts the inherent advantage of LEDs, which typically last much longer than traditional lighting options, thus requiring fewer replacements. High temperature generation is also not a trait that LEDs possess; rather, they operate at lower temperatures than many conventional bulbs, enhancing safety and efficiency.